In this review, the author shows a method for sharpening knives and grills of a meat grinder using a finger battery and an emery machine. It should be noted right away that the finger-type battery plays a secondary role, the main tool for sharpening is an emery machine. However, the use of a battery that acts as a holder allows you to simplify the sharpening process and achieve a better result.
Very often, when building various electric generators or motors, it is necessary to determine the pole of the magnet. Almost everyone, from school physics lessons, knows that a magnet has two poles: the north (indicated by blue letter "N") and the south (indicated by red and letter "S").
When you need to polish a large number of long sections of profile pipes, steel strip or building corner, then holding the grinder in your hands (especially large) for a long time is very inconvenient. A home-made movable carriage for an angle grinder will help solve this problem. With this simple device, there will be practically no load on the hands, it will be possible to work more productively, without frequent breaks.
Decorations on children's clothes are never superfluous! Such trifles attract attention, always delight the eyes of others, but most importantly, these bright and positive applications cheer up children. It often happens that such things become mom's helpers: they hide unwanted spots, places of damage and holes.
All girls love jewelry. How nice it is when for all occasions in the "treasury" is a suitable decoration. However, it so happens that it is not always found what to wear with the selected clothing. Skilful hands, fittings and some free time come to the rescue. Do not worry, it’s not at all difficult to make jewelry; now you’ll see for yourself.
In the manufacture or processing of wood parts, in some cases it is necessary to determine where their geometric center is located. If the part has a square or rectangular shape, then this is not difficult to do. It is enough to connect the opposite corners with diagonals, which at the same time intersect exactly in the center of our figure.