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
RUSTIC, COMFORTABLE
We continue to acquaint our readers — owners and garden plots — with non-traditional designs of garden furniture, and published in the Polish journal "Prob myself." Swings ...
SECRETARY OF THE STUDENT
Many original equipment for studying and doing something they demonstrated this year in Moscow at the International exhibition "Technical means in educational process". Special interest...
