LED lamp (30 дек 2014 г. – 20 фев 2018 г.)
Описание:
2014, Nick Holonyak first invented the LED lightbulb.LED light was the most current invention of light. It can last more than 100,000 hours and
Energy: (Electricity, Heat)
Добавлено на ленту времени:
Дата:
30 дек 2014 г.
20 фев 2018 г.
~ 3 years
