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
MAIN BATTLE TANK “ABRAMS”
Large-scale work on designing a new main battle tank began in the USA after the termination in 1970 of the joint with Germany development of a promising tank МВТ70. In February 1972, the...
HOLDER WITH EYELET
Tighten the screw in a tight place you would help an ordinary wire with a eyelet on the end, bent as shown in the figure.