
Not so easy to drill a hole in laminated or foamed material. However, if he is able to absorb water — you can use a witty way, received in due time, even the copyright certificate. The trick is that the wetted workpiece of such material you need to pre-freeze. And so the frozen layer will easily succumb to any drilling.
V. VLADIMIROV
Recommend to read
WHEN THE ANGLE IS NOT A PUNISHMENT
Sand the angle of the junction of the wooden parts is a handful. However, the operation is much easier and faster if use the bar, one face of which is cut down at an angle of 45°: wrap...
GLIDER WITHOUT SECRETS
"Fly higher, farther, faster!" This aircraft is the slogan became the motto of hang gliders. In our picture the glider master of sports M. B. Gokhberg. The front part of the dome is...