Varnishes, paints, enamels often Packed in tin cans with a wide lid-stopper. But no matter how tight it fit, the tightness over time is broken: part of the contents when pouring over the edge dries up on the edge and prevents tight closing of the jar. However, when the expenditure of material in small portions is better to pour it not so, and through the drilled a hole in the lid Ø 6 — 10 mm (depending on viscosity). The air hole Ø 3 mm do the opposite of the cover. “Plug” these holes will serve as a piece of adhesive tape or thick tape.
Recommend to read
TRANSPORTATION, STRETCHING INTO TOMORROW
Many readers were interested in the material "Migomobile — fantasy? Reality!" (1977, No. 11), tells about an unusual engine for transport — the flywheel developed by a group of young...
AMPHIBIAN AMPHIBIED
It’s tempting, isn’t it, to leave your house on a velomobile, get to the nearest body of water and, rolling down from a low bank, continue moving along the water? This will become possible...
