Medical bubbles, and especially the opened vial is very fragile, and spill their contents sometimes very simple. To avoid this, use a “tortilla” of clay: recessed in her glass bottoms of tanks holding up, as if glued.
V. GOLOVASHIN, Rybnoe, Ryazan region.
Recommend to read
FROM “SPIDOLY” LAB!
Instruments based on the radio. Determination of the frequency of an unmodulated source, an external signal. With the help of measuring GS you can configure any radio transmitting and...
SKI BRAKE
When descending on alpine skis, as soon as the transverse or longitudinal load exceeds the set value, the binding automatically releases, freeing the foot from the ski. The detached ski...
