The homebrew is often used segments of rubber hose as a flexible coupling when connecting coaxial shafts, particularly in those cases where the rotation speed is small, and the shafts are not strictly coaxial. This way I decided to apply when I built the frame of the greenhouse from the chimneys of the old clamshells.IF THE BOARD IS CRACKED
To eliminate the crack in the middle of the Board is not so easy, especially if the Board is very wide. Here can help out the following. On both sides of the crack must be nailed two small blocks, fill the crack with glue (carpentry, casein or PVA) and then a clamp to compress the Read more…






In the repair of equipment there are times when a small detail falls into such a place, where to get it very difficult. And if a piece fell inside some mechanism? Then the continued operation is fraught with serious breakages.



