
Often, after the hole is drilled,further or a clean, slightly to expand or to make a slightly oval shape. This work can be facilitated steel Bender, automating it with a drill in a cartridge which is inserted a circular, semicircular or even triangular needle file or similar file section.
V. SIZIKOV
Recommend to read
THAN MARKING TREES?
To put digital markers on trees — work is necessary, but time consuming. We managed to make a simple device that allows you to quickly and accurately "print" a mark on the barrel....
THE LOCKING MECHANISM FOR HANGERS
Now, increasingly, reminders to us of the purchased clothing meets recommendation: to dry after washing on hangers. However, on the clothesline they are — a favorite toy of the wind: a...