If you want to cut a round hole in the plywood or other rigid sheet material, but no jigsaw or handsaw pointed, easy to assemble witty prisposoblenie that will replace these tools. Only need two metal cores, one of which is pointed, the other sharpened like a cutting torch. Clamped in the vise at the required distance from each other, the first rod will serve as the axis on which will be pressed to rotate the plywood on top, and the second is from the bottom to cut the necessary hole.
Recommend to read
HAMMER-HARVESTER
Of all the plumbing tools in the "conservative" design remained still, probably only a hammer. However, the innovators of the production Association Zhdanovtyazhmash found the...
THE INDICATOR OF INCLUSION OF HEADLIGHTS
Under the new rules of the road in the sake of safety, drivers of vehicles (especially when driving outside the city) should include the day of the lights But turn them off after a stop...
