Preparing a wooden item to paint, the old paint is removed with wire brushes. However, with thick flakes of old oil paint they can’t cope — there is necessary a metal scraper. So both tools were always there, combine them, attach to the back side of the brush to a steel plate.
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UNIVERSAL INDICATOR
Two LEDs with different color (e.g., red and green), you can build a simple indicator for voltages from 4.5 to 220 V. It is also able to determine the polarity of the source in the range...
DIMENSIONLESS CLAMP
The range of action of conventional clamps is significantly expanded, if the emphasis is extensible, as the wrench. It is done so. In an l-shaped bracket drilled and cut the hole for the...
