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.
Recommend to read
TRICYCLE “MARCH”
In the club of young technicians in the Novosibirsk Academic Town, in the laboratory of experimental modeling and design, off-road vehicles called "Marsh" tricycles have been designed and...
THE WIND SAIL AND… WHEEL
Historians say that the sail appeared on land about four thousand years ago! Fiction? No - there is documentary evidence. In 1953 the Italian archaeological expedition at the excavations...
