Mercury thermometer, as we know the fragile and the contained mercury is also very dangerous. So if there is no standard paper sheath for it that will help out a makeshift rubber tip. This mini-case you will make safe and water thermometer.
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Georgy Sergeevich Khokhlachev is a military pensioner, 77 years old. Throughout his conscious life, he has been enthusiastically engaged in technical creativity: rationalization work,...
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Quick-drying underwear on the balcony, loggia, but how ugly looks like a house from the street. Offering a simple design linen dryers with removable cords strained at the railing, and...
