Offer a simple way for the manufacture of rivets. You must take two of the steel area of any size, clamp in a vise and drill the desired diameter, drill out the holes and then razzenkovku under sweat.
Sergei YEGOROV, the Chelyabinsk region, Kartaly
Recommend to read
ELECTRONIC TRANSFORMER
A power transformer is to convert alternating current of one voltage to alternating current of another voltage at a constant frequency. The device in the normal "classic" transformer all...
IMPORTANT — HEIGHT
Booster "Diamond-A" in November 1965 into orbit the first French artificial satellite of the Earth. France became the third space power. Length of the rocket "Diamond-A" is about 19 m,...
