Ok, we are glad to do it.

The lamp, as we decribed, normally is classified by flowing:

i).Filament Incandescent lamps: general bulbs, ball bulbs, reflector bulbs.etc

ii).Gas discharged lamps: Sodium lamps, Mercury Vapour lamps,HID,etc.

iii).Solid-state lighting: Lighting Emitting Diode (LED)

iv).Fiber-optics lighting :Fiber-optics Light

Their shapes are seen in below: