Do you use a graphic artist and pen, a capillary tube or a thin brush in between work, it is desirable to attach them so that they do not stain and do not dry out. In these cases, rescue of a conventional Laundry clothespin: the tool can be suspended in a glass of water or bottle of ink or paint.
Recommend to read
REFRIGERATOR CAR
Two hundred years have passed since then, as it became known Seebeck effect and Peltier. The effect is to pump heat under the action of EMF (electromotive force), in other words, the...
SPARK WITHOUT THE “WHIMS”
Motorists made electronic blocks of ignition, as a rule, according to the classical scheme consisting of a high voltage source, a storage capacitor and a thyristor key. However, such...
