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
THE BIKE IN THE TRUNK
Before you engage in the construction of microvesicle, I've been drawing various versions of its layout, trying on paper for all possible errors and miscalculations, which can only occur...
WOODEN GRASSHOPPER
Recumbent I've collected over the ten days together with their children and we called him "Grasshopper". Rear wheels have "Grasshopper" — from Bicycle "the Schoolboy one of which is...