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.
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Why "multichronic"? Because this welding transformer (CT) has many important additional functions. If in traditional "svarochnik", which has a magnetic core assembled from P - and...
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For works in chemical laboratory hydrogen is produced usually by the reaction of zinc with hydrochloric acid (HCL). Sometimes you need a small amount of gas, and 1 g of zinc makes about...
