The quality of mortar depends largely on the quality of sand: it is necessary to sift carefully to avoid patches of clay, coarse particles, stones. To facilitate this work will help here’s a simple mechanization. To the sieve, suspended by springs, is attached to the electric motor, the shaft is mounted an eccentric weight: when it spins, it shakes the entire suspension, just have to fill in a pulsating sieve of another portion of sand.
Recommend to read
BENT BACK IS BETTER
The back of the chair can be flat, but bent much easier. How to do this? This does not require special equipment and technology is simple. Enough to have a furniture clamp and several...
TRIUMPH: COMFORT PLUS SPEED
"They are not afraid of obstacles!" this is the motto of our magazine a few years ago began to publish descriptions of the designs of a homemade all-terrain of micro-technology,...
