Today is a difficult time, many live by the principle: “necessity is the mother of invention”. Not enough money, we have to get out, remembering or inventing all sorts of homemade tricks.
THE METHOD OF EXCAVATION…
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.










