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
HOMEMADE ELECTROPLATING
The electroforming technique of electrolytic deposition of metals on the surface of various objects (matrices) with the aim of obtaining accurate metal copies were first developed and...
TWO CYLINDERS FOR FOUR WHEELS
To build a simple, unpretentious, and reliable car, I was, one might say, forced by circumstances. Back in the memorable times of general shortages, I bought a well-worn "Zaporozhets" that...
