This document provides information on Musha, which is a crucible-like device used in Rasashastra to remove impurities from materials heated within it. It describes different types of Musha based on their composition, color, and shape. The key types discussed are Samanya Musha, Vajra Musha, Vara Musha, and Gara Musha. It also provides details on the ideal characteristics of the soil used to make Musha and its various applications.
Sandhana kalpana is the preparation of self generated alcohol. All the preparations that are resulting from FERMENTATION procedure come under SANDHANA KALPANA.
Sandhana kalpana is a special technique to prepare most effective medicines like Asava and Aristas. The medicines prepared through Sandhana kriya are quick in action, long shelf life, palatability and has nutritive value.The self-generated alcohol is the key factor behind the success of Sandhana kalpana.
Sandhāna Kalpana is an Alcoholic or Acidic Medicinal preparations of Ayurvedic Pharmaceuticals, It involves the process of fermentation where the 'dravadravya' (kwātha, swarasa or liquid preparation), 'madhura dravya' (jaggery, honey or sugar), 'praksepa dravya' (fine powders of medicinal drugs) and 'sandhäna dravya' (dhātaki puspa, madhuka puspa as fermentation initiators) are put together in an inert vessel (mud pot) and sealed for a specified time period to facilitate the process of fermentation Madhya (Alcoholic) and Shukti (Acedic) are the two basic types of this process
Sandhana kalpana is the preparation of self generated alcohol. All the preparations that are resulting from FERMENTATION procedure come under SANDHANA KALPANA.
Sandhana kalpana is a special technique to prepare most effective medicines like Asava and Aristas. The medicines prepared through Sandhana kriya are quick in action, long shelf life, palatability and has nutritive value.The self-generated alcohol is the key factor behind the success of Sandhana kalpana.
Sandhāna Kalpana is an Alcoholic or Acidic Medicinal preparations of Ayurvedic Pharmaceuticals, It involves the process of fermentation where the 'dravadravya' (kwātha, swarasa or liquid preparation), 'madhura dravya' (jaggery, honey or sugar), 'praksepa dravya' (fine powders of medicinal drugs) and 'sandhäna dravya' (dhātaki puspa, madhuka puspa as fermentation initiators) are put together in an inert vessel (mud pot) and sealed for a specified time period to facilitate the process of fermentation Madhya (Alcoholic) and Shukti (Acedic) are the two basic types of this process
For a rasa Shastra student its necessary to have knowledge of Parada Bandhas. In this presentation bandhas are explained according to various authors and detailed description is narrated according to Rasa Ratna Samucchaya the most accepted book of Rasa Shastra. I hope this presentation will help the students of Rasa Shastra in having better summarised knowledge of bandhas.
This is the second part of presentation regarding definitions in Rasa shastra. An attempt is made to clarify the definitions in more clear way also useful images are added to further improvise the presentation.
Rasashastra is a branch of Ayurveda in which medicines of mineral origin are manufactured & used in various diseases.
Rasashastra medicines are classified Based on method of preparation.
Vipaka comes under the five concepts under the study of a dravya (Rasapanchakas). In Ayurveda the digestion & metabolism of any substance is explained in two stages:
Avasthapaka
Nishtapaka
Avasthapaka is the first phase considered as digestion.
In charaka the word “prapaka” is used as the synonym for avasthapaka.
Nishtapka or Vipaka is the second phase and considered as metabolism.
For a rasa Shastra student its necessary to have knowledge of Parada Bandhas. In this presentation bandhas are explained according to various authors and detailed description is narrated according to Rasa Ratna Samucchaya the most accepted book of Rasa Shastra. I hope this presentation will help the students of Rasa Shastra in having better summarised knowledge of bandhas.
This is the second part of presentation regarding definitions in Rasa shastra. An attempt is made to clarify the definitions in more clear way also useful images are added to further improvise the presentation.
Rasashastra is a branch of Ayurveda in which medicines of mineral origin are manufactured & used in various diseases.
Rasashastra medicines are classified Based on method of preparation.
Vipaka comes under the five concepts under the study of a dravya (Rasapanchakas). In Ayurveda the digestion & metabolism of any substance is explained in two stages:
Avasthapaka
Nishtapaka
Avasthapaka is the first phase considered as digestion.
In charaka the word “prapaka” is used as the synonym for avasthapaka.
Nishtapka or Vipaka is the second phase and considered as metabolism.
Samhita Adhyayan - 1st Profession, Charak Samhita Sutrastan's 2nd Chatushka - Swastha chatuska and 5th Chapter- Matrashitya Adhyay's 2nd topic Swasthavrut Varnan in relation to the Shalakya Tantra.
It includes a Breif description of Nasya and Dhumapana in Contex to Daily Regiman.
A brief description includes:
Definition, Synonyms, Mode of Actions, Types, Advantages, Indications, Contraindications, Theraputic Procedures and Procedure Videos.
shotha nidana, poorva roopa, roopa, upashaya, samprapthi, chikitsa according to charaka, sushrutha, ashtanga hridaya, ashtanga sangaraha
you can get detail description on shotha from this presentation.
In Charaka explains Dashavidha Pariksha Bhavas and
while explaining the aspect of of Desha, Desha is divided into
Bhumi and Deha Desha,Under Deha Desha, Dasha Vidha Atura Pariksha are explained,Dashavidha pariksha is one of important daignostic tool explained in Ayurveda ,in the context of दशविध परीक्षा भािा’ s.
easy and scientific explanation of toughest topics of Ayurvedic Anatomy. aim to explore more hidden knowledge in Ayurveda sutras or sloka. comparatively study both Ayurveda and modern medical science. the topic are explore in such a way to help in understanding both heath care professions peoples and general public.
Author: Dr. Sangeeta Gehlot, Professor
Dr. Vandana Verma
Assistant Professor
Department of Kriya Sharir, Faculty of Ayurveda,
IMS, BHU, Varanasi, India
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
4. निरुक्ति-
मुष्णातिदोषान्मूषेयान ्सा मूषेति तनगद्यिे|-रसरत्नसमुच्चय १०/०२
Musha is a devise used to remove the removable dosa
It is comparable with crucible.
It eliminates the impurities of the materials heated in it
6. 1. क्रौञ्चचका:As the soil of Krouncha mountain is suitably used to prepare Musha
2. कु मुदी: कु मुदाकारसादृश्याि ्कु मुदी चतनगद्यिे(र.ि.): Resembles the shape of Kumuda-
White lilly/lotus flower
3. करिाहिका:As the soil of Karahata Desha is ideal to prepare Musha
4. पाचनी :द्रव्यपाचनयोगाच्चपाचनी समुदीररिा (र.ि.): Prepared by baking well and also
the materials are subjected to Pachana in Musha
5. वञ्ननममत्रा:वञ्ननममत्रं यिश्चास्या वञ्ननममत्रा ििः स्मृिा(र.ि.): In contact with fire
पयााय(Synonyms)
7. उपादानकारण (Basic composition)
उपादानंिवेत्तस्यमृत्तत्तकालोिमेव च–र.र.स.१०/०३
Basic composition:
मृत्तत्तका:Clay with specific characters
लोि:Iron powder
8. मूषोपयोगी मृत्तिका (Ideal characters of soil to prepare Musha)
मृत्तत्तका पाण्डुरस्थूलाÅÅशका रा शोणपाण्डुरा
चचराध्मािसिा सा हि मूषाथामतिशस्यिे
िदिावे च वाल्मीकी कौलाली वा समीर्ययािे – र.र.स.१०/६
Mud should be pale yellow, reddish, reddish yellow, heavy, devoid of sand particles.
It should tolerate high temperature for a prolonged time. If such mud is not
available, potter’s clay or soil of anthill can be used.
12. 1. गोस्िनी मूषा
2. वृन्िाक मूषा
3. मिा मूषा
4. मल्ल मूषा
5. गोल मूषा
6. पक्व मूषा
7. मुसल मूषा
8. मण्डूक/मचजूष मूषा
स्वरूपािुसार (According to shape)
13. सामान्य मूषा
यामृत्तत्तकादग्धिुषःशणेनमशखित्रकवााियलद्हदनाच
लौिेन दण्डेनच कु ट्हििासा साधारणास्यात्िलुमूत्तषकाथे –र.र.स.१०/०७
Burnt paddy husk, hemp fibre, charcoal powder, horse dung all these are taken in equal
quantities and the mud useful for making Musha is taken equal to the sum of the quantity
of above mentioned ingredients.
All the ingredients are mixed well, pounded well adding required amount of water till a
homogenous semisolid mass is obtained. It is prepared into the Musha of required shape
and size, dried under sun and baked well to get Samanya Musha
15. वज्र मूषा
मृदञ्स्त्रिागाः शणलद्हदिागौ िागश्च
तनदाग्ध िुषोपलादेः
ककट्िाधािागं पररिण््य वज्रमूषां
त्तवदध्यात्िलु सत्वपािे – र.र.स. १०/९
Composition:
Musha mrittika (Musha specific mud): 3 parts
Shana (Hemp fibre): 2 parts
Hayaladdi (Horse ding): 2 parts
Dagdha Tusha (Burnt paddy husk): 1 part
Dagdha Upala (Ash of cowdungs): 1 part
Kitta (Iron rust): ½ part
16. वरमूषा
वस्त्र (Cloth fibre)-1pÉÉaÉ
Aङ्गार (Charcoal)-1pÉÉaÉ
िुष(Paddy husk):1 pÉÉaÉ
मूषामृत्तत्तकाÉ(Musha specific mud):-4 pÉÉaÉ
गार (Mud of pond):-4 pÉÉaÉ
Aञ्ग्नसित्व (Temperature tolerance):1rÉÉqÉ
वज्रांगारइति पाठिेदः-According to some scholars coal of Snuhi is to be used
21. बिडमूषा
ित्तद्बबडमृदोद्िूिा ित्तद्बबडत्तवलेत्तपिा
देिलोिाथायोगाथंबबडमूषेत्युदाहृिा-र.र.स.१०/१८
The musha which is prepared by specific kind of clay is smeared both
internally & externally by bida. Such musha is called as Bida Musha.
Uses- To prepare drugs which are usefull in dehasiddhi & lohasiddhi.
22. वणामूषा
पाषाणरहििा रक्िा रक्िवगााम्बुिात्तविा
मृत्तया साचधिामूषा क्षितििेचरलेत्तपिा
वणामूषेतिसा प्रोक्िा वणोत्कषे तनयुजयिे-रा.र.स.१०/१६
Following ingredients are taken-
Red mud devoid of stones
Rakta vargiya dravyas
Sphatika & Kasisa Churna
Red mud devoid of stones is selected & bhavana is given with rakta vargiya dravyas and
Musha is prepared. It is then smeared with Sphatika & Kasisa Churna. This type of musha is
known as Varna Musha.
Uses- To enhance the colour of the metals.
23. रूप्य मूषा
एवंहिश्वेिवगेण रूप्यमूषाप्रकीतिािा– र.र.स.१०/१७
It is similar to varna musha but instead of red soil white soil
devoid of stones is used. In the place of rakta vargiya dravyas,
sweta vargiya dravyas like Kutaja, Kunda, Tagara, etc. are used.
Uses- To enhance the colour of white metals. It gives silvery
colour during Ranjana Samskara
24. गोस्ििीमूषा
मूषायागोस्िनाकारा मशिायुक्ित्तपधानका
सत्त्वानाम्द्रावणे शुद्धौ मूषा सा गोस्िनी िवेि्-र.र. स.
१०/२७
Gostani Musha-
The crucible which is oblong,
resembling the shape of a Gostana (Cow’s teat)
having a lid (pidhana) on the top,
with a hook(shikha) is known as Gostani Musha
26. वृन्िाकमूषा
वृन्िाकाकार मूषायां नालं द्वादशाङ्गुलम ्
धत्तूरपुष्पवच्चोध्वंसदृढं ञ्श्लष्िपुष्पवि्
अष्िाङ्गुलचच सञ्च्िद्रं सा स्याद्वृन्िाकमूत्तषका
अनया िपारादीनां मृदूनां सत्त्वमािरेि्||-र.र.स.१०/२०-२२
A Brinjal shaped musha is made according to general procedure & a 12 angula
long tube is connected to the orifice of the musha.
The opening of the tube resembles the flower of dhattura & It should be 8 angula in circumference.
Through this funnel like tube raw materials are inserted.
28. महामूषा
िले याकू पाराकाराक्रमादुपररत्तवस्िृिा
स्थूलवृन्िाकवत्स्थूलामिामूषेत्यसौ स्मृिा
सा चायोÅभ्रसत्त्वादेः पुिाय द्रावणाय च-र.र.स. १०/२८
It is a musha base of which is like elbow joint (kurpara sandhi). It expands
upwards, stout in the middle & elongated.
It resembles a large brinjal
Use: Satvapatana of iron ores and Abhraka
29. मल्ल मूषा
तनहदाष्िामलामूषायामल्लद्त्तवियसम्पुिाि्
पपाट्याहदरसादीनांस्वेदनायपररकीतिािा-र.र.स.१०/२५
A musha is prepared by joining two saravas , one
above the other like samaputa & there is a small
opening on the upper sarava is known as Malla Musha.
Uses- For preparation of parpati, swedana, etc.
34. मण्डूक मूषा
मण्डूकाकारमूषा या तनम्निाÅÅयामत्तवस्िरा
षडंगुलप्रमाणेन मूषा मण्डूकसंक्षिका
िूमौ तनिन्य िां मूषां दद्यात्पुिमथोपरर-र.र.स.१०/२९
A Musha resembling the shape of frog with a dimension of 6x6x6
Angula is called as Manduka Musha. It is placed inside a pit of
appropriate size and subjected to fire
35. MANJUSHA MUSHA
This Musha resembles the shape of a purse having a string pulling which
it can be closed. It has a wide base. Shape of this Musha is conical.
Sometimes it is also referred as Manduka Musha
36. मूषाÅÅप्यायन
म्
द्रव्ये द्रवीिावमुिे मूषायाः ध्मानयोगिः
िणमुद्धरणं यत्तन्मूषाÅÅप्यायनमुच्यिे-र.र.स.१०/३१
Process of pulling out of Musha from fire momentarily when the material
contained in Musha starts melting is known as Musha Apyayana
39. सञ्न्धबन्धनम्
मूषादीनां िु यत्सन्धौ ककट्िाद्यः पररलेपनम्
ित्सञ्न्धलेपनं ख्यािंिच्चोक्िं सञ्न्धबन्धनम्-र.ि.३/५
Sealing the joint between Musha etc with the closure by applying the paste of kitta
(iron rust) etc. is referred as Sandhi bandhana
41. मुद्रा
Mudra refers to sealing.
Two types of mixtures are mentioned for sealing purpose. They are:
1. मदन मुद्रा
2. िठ मुद्रा
42. 1. मदनमुद्रा(आनंदकं द)
उदुम्बर दुग्ध (Latex of Ficus glomerata): १ पल
वि दुग्ध(Latex of Ficus benghalensis):१ पल
लािा चूणा(Lac powder): १ पल
चुम्बक लोि चूणा(Magnetic iron powder): ७ पल
Aिसी िल(Lin seed oil): यथावश्य
Method: Above mentioned ingredients are mixed together and ponded well till a
soft, smooth waxy material is obtained
Use: To seal bottle or earthen saucers during the procedures like Jarana and
Marana of Parada
43. 2. िठमुद्रा(आनंदकं द)
चुम्बक लोि चूणा+ क्रोढ रक्ि
Method: Magnetic iron powder (Chumbaka Loha Churna) is pounded with
Pig (Swine) blood (Krodha Rakta) from sunrise till sunset till bee wax like
sticky mass is obtained
Use: This cementing material is very strong and doe not get disrupted even at
high temperatures. Hence it is used in those processes of Parada where high
temperature is used
44. CRUCIBLE
A crucible is a container that can withstand very high temperatures
and is used for metal, glass, and pigment production as well as a
number of modern laboratory processes.
45. A crucible is a ceramic or metal container in which metals or
other substances may be melted or subjected to very high
temperatures.
While crucibles historically were usually made from clay, they
can be made from any material that withstands temperatures
high enough to melt or otherwise alter its contents.
CRUCIBLE
46. TYPES
According to shape:
1. Barrel shaped crucible
2. Conical crucible
3. Cylindrical crucible
4. Wide form crucible
5. High form crucible
47. 1. Barrel-shaped crucibles
Barrel-shaped crucibles have an opening with a top outer
diameter (OD) that is essentially the same as, or only slightly
smaller, than the base or bottom OD.
The sidewalls bulge out and produce a barrel shaped crucible.
48. 2. Conical shaped crucible
Conical or tapered crucibles have an opening with a top OD that
tapers down to smaller base or bottom diameter.
Typically, the sidewalls are straight sided.
49. 3. Cylindrical crucible
Cylindrical or straight walled crucibles have an opening with a top OD that is
essentially the same as or only slightly smaller than the base or bottom OD The
sidewalls are straight sided without any bulging out.
50. 4. Wide form crucible
Wide-form crucibles are low, shallow, or flat profile vessels with short
walls compared to high-form crucibles.
A wide-form crucible has a very wide opening with an OD that tapers
down to a much smaller base-diameter. Typically, the sidewalls have a
slight outward bow or bulge.
51. 5. High-form crucibles
High-form crucibles have high walls.
High form crucibles have an opening with a top OD that tapers
down to smaller base or bottom diameter.
The sidewalls typically have a slight outward bow or bulge.
52. According to The Material
clay crucible
graphite crucible
porcelain crucible
aluminium crucible
zirconia crucible
magnesium crucible
platinum crucible etc.
54. Gooch crucible
A Gooch crucible, named after Frank Austin Gooch, is a
filtration device for laboratory use
It is convenient for collecting a precipitate directly within the
vessel in which it is to be dried, possibly ashed, and finally
weighed in gravimetric analysis
56. Hessian Crucible
A Hessian crucible is a type of ceramic crucible that was manufactured
in the Hesse region of Germany from the late Middle Ages through
the Renaissance period.
They were renowned for their ability to withstand very high
temperatures, rapid changes in temperature, and strong reagents.
These crucibles were widely used for alchemy and early metallurgy.
The crucibles were made by firing kaolinitic clay at temperatures greater
than 1100℃
57. CONCLUSION
Description of Musha given in Rasashastra is very scientific
Every musha is mentioned foe specific use based on its composition,
heat tolerance capacity etc
The study of ancient crucibles reveals the chemical-metallurgical
insights of alchemists
Thorough study of such crucibles with their practical utilization will
help in understanding the advancement of metallurgy in ancient India
Editor's Notes
Musha prepared by using above composition can resist a high temperature for three hours. In the pace of Vastrangara Vajrangara version is also used according to which charcoal of Snuhi (Vajrangara) is used in the place of cloth and charcoal (Vastrangara).
Here all the mentioned components are mixed together and pounded well with milk to get a stick mass from which Musha is prepared. This Musha can withstand a high heat for six hours
* The fecal matter of Bhunaga if washed in water several times a black powder is available called Dhouta. It is rich in copper and heat resistant.
Here ingredients 1 to 5 are pounded together and Musha is prepared. Prepared Musha is applied with the blood of bed bug (Matkuna) and Juice of root of tender plant of Amaranthus spinosus (Balabdhadhwani moola rasa). This Musha is highly heat tolerant and can resist high heat continuously for 12 hours.
Burnt charcoal, ash of paddy husk, Musha specific mud and mud of anthill are pounded together and Musha is prepared. This Musha is incorporated with specific Bida (catalystic mixture like Lavana Kashara, Mutra etc) and same Bida is applied to Prepared Musha. Mercury processed in this type of Musha becomes highly potent.
Rakta Varga drugs include Khadira, Manjishtha, rakta Chandana, Bandhuka Pushpa etc. This Musha is Used in Ranjana Samskara to enhance golden colour
This is a Musha which has no opening. Here drug is concealed while preparing Musha itself. As it has no opening (blind) it is also called as Andha musha
Here material is melted and the liquid is not allowed to leak out
This is a Musha resembling potter man's pot, prepared by baking well
Use: For Pottali Paka
This is a cylindrical Musha flat at base. It has a diameter and height of eight Angula each
Use: To prepare Chakribaddha Rasa
When the material in crucible is heated when a particular temperature is reached portion of the material in contact with the base of Musha melts first where as the material above is yet to melt. In this stage if heating is continued molten mass at the base gets vapourized and this vapour moves up knocking out the material above. In this stage if Musha is pulled out for a few seconds material gets mixed up inside Musha which ensures uniform mixing and melting. Then Musha is replaced in fire.