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
MISSILE FOR A NUCLEAR WARHEAD
R-5M - the first in the world military equipment of the booster of the nuclear charge. Her starting weight was 28.6 tons, flight range is 1,200 km. Developed in 1954 - 1956, OKB-1 headed...
FEEDER FOR PIGS
When we began to keep pigs, he soon discovered that wooden feeders are very short — lived-just for one season out of order. The trough of galvanized sheet steel kept longer — two to...