Of tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal. V. MARTINTON, Novocheboksarsk
Recommend to read
NOT IN HAND BUT ON HAND
If you want to poke around late at night in the car engine or look in a dark cellar for pickles, jams, — all lighting required a flashlight. But it is not very convenient, as you have to...
MICROBALANCE
Remote nodes of the tape I smeared with homemade butter. which made from plastic bottle pipette from-under eye drops and medical needle from a syringe. Bottle thoroughly washed and...
