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
MULTIPURPOSE AND MULTINATIONAL
French carrier-based aircraft BREGUET Br.1050 Alize. The need for double decked multi-role aircraft, capable of reconnaissance, and search and destruction of submarines, came the Navy of...
A MODEL THAT BRINGS VICTORY
Almost ten years leading group Russian rocketmodeler-ing in the so-called sports classes is headed by an athlete from Magadan I. Shmatov. In his father's footsteps is his son Anton. The...