mk12 (25)in #dtube • 5 years agoROAD KILL For you ▶️ DTube ▶️ IPFSmk12 (25)in #hot • 5 years agoPHOTOELECTRIC CELLIt is a device based on phenomena of photoelectric effect which converts light energy into electricity energy.…mk12 (25)in #dtube • 5 years agospotlightfor you ▶️ DTube ▶️ IPFS