Who has not seen the transparent walls of the greenhouse are collected moisture drops? What if to collect it — it’s distilled water, so the motorist and photographer, and Amateur chemical experiments. Of course, the greenhouse is not every hand, but the simplest installation on the basis of the greenhouse effect can make any. To do this, take a transparent film, and tightly close it on top of the neck of the pot or tank, and tilt it so. to the drops of condensed vapor dripped to the bottom, where they can gather.THE PUMP UNDER CONTROL
Motorists have appreciated a commercially available foot-pump to inflate tyres equipped with pressure gauge: it is easy to use and allows you to constantly monitor the pressure in the chamber. But the pump is the old type with the help of simple consoles can be equipped with a pressure gauge. This would require a metal Read more…










