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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THERMOSTAT
This device is not very complicated and consists of the heating element, the mercury column and the solenoid. When the current is switched on starts to operate the heater — closed...
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Ax with a straight blade is used successfully in meat cutting, but for chopping wood it is not suitable: there are much more efficient is the blade of the carpenter type, with a rounded...
