That a few liters of water enough to obtain a flame of high temperature (200° C), make sure everyone, read the description of the device developed by me to the cell.THE FLASHLIGHT FROM THE DETECTIVE
All flashlights have a reflector giving a wide enough beam of light. But if you want a point — for example, the light pointer of the lecturer? Narrow beam, as if from hidden lamps in detective films, will Give a simple nozzle. For its production will need a plastic Cup suitable diameter and lens from Read more…










