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
Countersink for drill
Everybody knows to "hide" the head of the screw or nail, a hole must be countersunk. In a domestic environment this operation is usually large diameter drill. But it kvostik drill does...
AND AGAIN, “THE MIRAGE”
After publication in the "M-K", № 1, 1978 of the drawings trace model "Mirage" edition receives a lot of emails from guys who decided to build it. They are interested in some of the...