Any is, perhaps, too, but the hole in the tree Ø 20-55 mm this tool to drill. Drill-Perca consists of a Central rod of square section and two blades, pivotally attached to the rod. Sami knives carved from overage mills.
Recommend to read
A LARGE TORPEDO
(The end. Beginning at No. 9 in’05). In may 1953, in connection with the liquidation of the 4th special Department (former MGB, and now the Ministry of internal Affairs of the USSR),...
LED BY THE SUN
It would seem that there is nothing complicated in the design of a bicycle driven by the energy of the sun: install a solar battery of the required capacity and a simple electric motor -...
