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1. N G PATEL POLYTECHNIC
At & Post : Isroli –Afwa, Bardoli–Navsari Road, Tal.:
Bardoli,
Dist.: Surat, Ph: 9512900459
Website : www.ngpp.ac.in
Semester : 5
SUBJECT : Industrial Management
TOPIC : System Variable And Function Of Managemen
By: Mrs. Zinal J Patel
Lecturer, Chemical Engg Dept.
N. G. Patel Polytechnic.
Gmail: zjp.ngpp@gmail.com

2.  Different element of internal as well as
external environments affecting the working
and output of a system are called system
variables.

3.  Internal variables
 External variables

4.  Availability of raw-materials
 Capacity of plan and machinery
 Skilled workers
 Motivation to worker and staff members
 Management policies ,such as
planning,quality control,business strategies
etc.

5.  Social make up of the country
 Economic conditions of the country and
individuals.
 Percapita income.
 Average life-style.
 Political and legal constraints.
 Techno-economic developments of the
country.

6.  Planning
 Organizing
 Directing
 Controlling