PROVIDE ARTIFICIAL LIGHTING. IN 3.FACTORIES, ELECTRICITY IS USED TO...

2. - DE KT HK2 - AV9 - 2009-2010 (CO DAP AN)
DE KT HK2 - AV9 - 2009-2010 (CO DAP AN)

2.provide artificial lighting. In 3.factories, electricity is used to light up the

work place. It is also used to operate air conditioners, 4.computers and many

other machines. Electricity is also used to 5.power the many appliances that we

have in our homes. Such appliances include 6.television sets, computers,

electric fans, irons and many others. The list is 7.simply endless. Modern