#oillamp

কুপি আর হারিকেন এর ইতি কথা

The #Luminiser #Thermogenerator is a device for generating LED light from a temperature difference in heat. its using a Peltier element or the #Seebeck-effect to generate #electrical-power from a

OLD LAMP: In earlier times, People used this lamp when there was no electricity And all the work of the house used in this lamp such as Kitchen work, Outdoors works etc. People used to have trouble and