Pouring solutions of chemicals in the bottle, Amateurs are plastic or glass funnels. First trouble do not deliver: special ribs on the outer surface do not allow them to fit snugly to the necks, and displaced fluid with the air out of the bottles without interference. Edge for glass can be formed by bending, as shown in the figure, the cut copper wire Ø 1 mm.
A. KAMALOV, Obninsk, Kaluga region
Recommend to read
DELICATE HAMMER
To straighten dents on the tin, usually use a rubber or plastic mallet, because metal drummer would leave sunken footprints in the soft material. If mallet is not at hand — you can use...
Thermal Cutting Jigsaw
A jigsaw is a common tool. However, when working with it, one often runs into certain difficulties: the blade breaks, slips out of the clamps, and when cutting along a curved contour it...
