Those who had to work with small parts, you know how hard it is to drill holes in them, the axes of which would be strictly perpendicular to the plane. The slightest imbalance leads to marriage, and often to breakage of the drill. Even the holes are not cylindrical in shape.MACHINE FROM HAND DRILL
Those who had to work with small parts, you know how hard it is to drill holes in them, the axes of which would be strictly perpendicular to the plane. The slightest imbalance leads to marriage, and often to breakage of the drill. Even the holes are not cylindrical in shape.




Foldable stroller is convenient for the townspeople: they often have a child to take the bus, take the subway, get on the Elevator. But here’s the problem — that is to say, a summer transport. And winter comes the season of sleds, to use public transport with them much more difficult. And the child is much easier in a wheelchair. So the idea to put her on skis came to me by itself.
A great many of the problems faces by the Modeler, decided to pursue aviation equipment driven by electric motors.


The Romanian magazine “Technium” offers a diagram of the electronic timer operates on the principle of the 5-minute hourglass clock every minute. The indication to carry out the LEDs. Such a device will find use in a home darkroom, sports training and rhythmic gymnastics. If the time interval exceeds 5 minutes, the device as a normal hourglass, you can restart and continue counting. Here’s how it works.
The Shorland armored car (“Shoreland”) – joint development of Irish firms of Short Brothers and Harland (“Short Bros & Harland”) by order issued in 1961 Royal police force of Northern Ireland. According to the requirements of the armored car should be very simple, and its development is minimal time.