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
MANNED EDUCATIONAL…
Three sticks — two strings... So modelers joking about educational models. Those and in fact, usually— solid wood: the wing and the fuselage, and the stabilizer keel of the purple...
KEY-RING
Young metallurgists, participants of the exhibition NTTM-78, developed a key for their production needs: screwing graphite electrodes Ø 300 mm electric steel furnaces. However, they...
