Energy inputs (both electrical and fuel) are essential parts of any manufacturing process.
With sunlight all year round in Malaysia, generating energy from the sun make good sense.
Solar street lights are LED bulbs powered by batteries charged during the day by photovoltaic cells.
The Light Emitting Diode (LED) is a semi-conductor PN junction diode that produces light as electrons flow trough the ....
Since the turn of twentieth century, the earth’s temperature has risen dramatically.