When sawing any, but in particular plastic pipes (due to its “softness”) to withstand the cutting line is exactly perpendicular to the axis (or if necessary – on the contrary, under the right angle) will help the duct tape. Wound appropriately a ring from it will not allow the cutter to get off.
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WHEN NOT TOUCHED
If you can't make it to Chuck to turn the light bulb and no ladder or chair will help you simple device from a dense paper and two rubber bands.
MELTING FURNACE
The furnace is designed for metals with suitable melting temperature in a volume of 10 cm3. It is an electrical transformer, the secondary winding ends of which are closed with a...
