Even located directly on the Sunny side of the street a thermometer will correctly show the exterior temperature, without distortion from self heating. To do this, its alcoholic part, you need to cover up from direct sunlight mint “mirror” foil.
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OILER-IMPROMPTU
If the empty tube of toothpaste to fill the rear end with petroleum jelly or machine oil, and the tube to make a hole and feed it through the rod from a ball pen, as shown in the...
DOUBLE CLAMP
Details of the processing here is a simple clamping device can successfully replace table vise.
