Sometimes the drills, especially in the already served, without distinction, the marking indicating the diameter. It would seem that to define it is only possible with a micrometer. But here’s a simple and fairly accurate method of measurement with… grip. Drill clamped in their jaws, and remaining between them a gap corresponding to the diameter of the already available ordinary ruler with millimeter divisions.
Recommend to read
SOLARIUM FOR CUCUMBERS
The third year of the Soviet people are working on implementing the Food program of the USSR adopted the may (1982) CPSU Central Committee Plenum. And not only adults. A contribution to...
Socket in a lamp holder
To avoid running extra wiring for auxiliary electrical appliances when using a portable lamp, it is enough to fit a homemade adapter into the lamp holder, as shown in the figure. To...
