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
JIG SAW, BUT NOT SIMPLE!
Having trouble with conventional saws to jigsaws, I decided to try a homemade option out of the wire, causing its surface subiram shallow risks. This nail file and is on the planned...
IN THE SOCKET — THAT!
On the switchboard garages, workshops and home labs often use the same sockets to connect consumers designed for high (220 V) and low (12V) voltage. The danger is the inclusion of...
