THE METHOD OF EXCAVATION…

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.

Recommend to read

  • GARDEN “STUFF”GARDEN “STUFF”
    Tillers, mini-tractors, potato harvesters For economically strong farms and farmsteads such a technique has long been not unusual Destiny of the less fortunate, it seems, can only hope...
  • SPARK SIMULATORSPARK SIMULATOR
    As you know, your the first years the student performs, not one and two with an instructor on the aircraft with dual controls — so called "spark". First is controlled by the instructor,...