Carefully cut a circle from the cardboard using scissors is very difficult. To help in this work can usually tsyrkul fixed in his foot, as shown in the figure, a razor blade.
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When drilling brick or concrete wall it is necessary to periodically clean the hole from dust particles. Some people use a sort of syringe, the rubber bulb. I propose to use in these...
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Aquifers we lie a meter or two from the soil surface. The construction of a magnificent cellar in such circumstances turns into an impossible task. Meanwhile, out of this situation is...
