The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.
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Participants and guests of the all-Union review-competition of self-made ATVs in Arkhangelsk were surprised to find that in the city there is a whole Amateur "industry" for the...
