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
A STRATEGIC MISTAKE OF THE EMPIRE
It is not easy to assess the situation in the world that has developed after the First world war. The defeated German Empire is the largest country in Western Europe fizzled out in the...
FRIGATES AND CORVETTES
Not to say that after the First world war, the British did not think about the problems of a future war, but their reasonable ideas are embodied in a metal surprisingly slowly. For...