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
VENUE, COMES ASHORE
Amphibious vehicle design N. M. Purtova. Doesn't that sound nice, getting up early in the morning, roll the boat out of the garage, lay a tackle, get in, press the starter and... to take...
RELIABLE ASSISTANT FOR A POWER TILLER
We continue the story about machines and mechanisms built by V.A. SVERBIL — an amateur designer from the village of Zelenchukskaya in the Karachay-Cherkess Republic. In the publication...
