In radio and electrical appliances are often the wire is passed in a hole made in the sheet metal. Sharp edges can break the insulation and cause a short circuit. Therefore, usually in the hole is installed a protective plastic or rubber grommet. Replace it with a home practice can tube of medical bottle: it is easy to make a hole with a hot metal rod and the edges to them — zavaliat.
Recommend to read
SPORTS EQUIPMENT OF CHAMPIONS
Before talking about the first rocket model, a few words about its designer — Alexander Tarasov. He lives in a small Siberian town of Yugorsk (Tyumen oblast), employs a facilitator Fock...
BUCKET OF “PROTECTOR”
Enamelware considered the best for use in the home. But if buckets, for example, or a wall is being hit, then the enamel cracks, and utensils prematurely fails. For protection from these...
