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.
Recommend to read
WILLOWTALK SWITCH THE SPEED
In 2007, No. 9 of our magazine was published an article by Muscovite Vladimir Aleshin on the invention of the Bicycle the hub of the rear wheel, capable of movement to choose the optimal...
ELECTRONIC EAR
Check slabovidimym acoustic signals is of great practical importance. This: fault diagnosis of internal combustion engines; search for places of leakage of gas from the damaged pipeline...