Line on writing or desktop has “property” in the right time to get lost in the pile of papers, drawings, details. Fasten to the edge of the table, two cloves, and even better — screw two small screws with round head (not clung to); in the line also make two cut so that they easily included screws. Now the ruler will always literally at hand and never lost.
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SCREW JACK AND DRILL IS…
...drill press, which I use for several years and are quite happy. Make it can anyone who loves tinkering. The design shown in Fig. The drill is fixedly mounted in the upper part of the...
INSULATOR FROM THE JAR
Tins of film can be used if necessary as insulators or junction boxes to protect the connections from two to four and even six electric wires. To do this, the lid of the jar need to do...
