Now appeared in the sale of electronic thermometers showing both the temperature in the room and outside the window, and very accurately thanks to the spaced sensors. However, ordinary side window thermometer will be more accurate if to distance him from the window with a simple bracket made of two wooden slats.
Recommend to read
RETURN TO BOOMERANG
Today the state of technical creativity of pupils, I think we all know — it is deplorable. And even a talented teacher to inspire children is becoming increasingly difficult. One of the...
Lawn mower made from a chainsaw
This spring this lawn mower was assembled quite quickly. Why quickly? Because there was no need to machine a single part. In addition, the design used inexpensive, readily available...
