1. VACUUMCLEANER
MEMBERS:
1. MOHD FAKHRUR NAIM BIN
2. WONG KHAI ZWEI
3. NURUL AMIERAH BINTI MOHD JAFRI
4. NURUL AIN AQILAH BINTI SULAIMAN
LECTURER:
PN. NURHAFEIZZA RAMLY
2. 1650
Otto von Guericke
1860
Daniel Hess
1901
Hubert Cecil Booth
1908
James Murray
Spangler
1952
William Hoover
1979
Black and Decker
2014
Dyson
HISTORY OF VACUUMCLEANER
BASIC PRINCIPLE OF
VACUUM CLEANER
3. Power rating : 2100 kW
Power rating : 1800 kW
Energyefficiency