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
A CHAIR FROM THE MATTRESS
When the child grows out of cot, its mattress can be used for making original floor chairs without legs and frame, it meets the teenage spirit interior. Chair-mattress is placed...
IT IS EASIER TO WORK
To saw thin-walled metal pipe clutched in a vise — employment is not easy. Not only because the accompanying screeching grates on the ear. The work itself is difficult: in one direction...