Even a disposable syringe can still be of use, and more than once — of course, for other purposes. For example, the packing case of needle incised along the axis, it is suitable for use as plastic plugs inserted into the hole in the wall. Screwed it in the screw provides the der is not worse than in special dowels sold in hardware stores.
N. ALIKIN, St. Petersburg
Recommend to read
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...
ARC IS NOT A HINDRANCE
From the usual construction of the jig saw and hacksaw with tubular curved handle, the blade clamped so that the propyl is limited by the depth of the arc of the holder. However, if the...