When drilling holes on the Ceiling it is difficult to keep the tool and yourself from rolling on top of small fragments and dust. Help out a peculiar conical helix wound from a spring wire. Wrapped in plastic film or package, it will turn into a soft pliable bag that will collect all the crumbs from under the drill.
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“ETERNAL” CUFF
The weak point of any piston pump — automobile, motorcycle or Bicycle, as is well known, piston, or rather, leather cuff, and the main fault is a loose fit it to the cylinder walls. The...
THERMOMETER WITH EXTENSION TUBE
To measure the temperature of the liquid in the bottle with a narrow neck pretty hard. Replace the thermometer with a rubber or polihlorvinilovuju up, and the problem will be solved.