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
AND A JIGSAW AND A DRILL
All the details of this wooden truck, so the tools for the job need simple: kicks jigsaw, drill, sandpaper, files. The frame consists of two strips of a cross section of 25X36 mm and a...
THE SHIP IS ON THE TABLE
To make a model of the ship, which would be a decoration in the house I wanted for a long time. But all that couldn't decide what military ship to take over the original ones seemed too...
