Ax with a straight blade is used successfully in meat cutting, but for chopping wood it is not suitable: there are much more efficient is the blade of the carpenter type, with a rounded sharp edge. It is better enters the wood easily separates the chips. Therefore, the axe of a carpenter blade must be rounded with a radius of 250 — 270 mm.
V. BORISOV
Recommend to read
WAS THE DRILL-WAS THE PUNCH
Very often, a broken drill should just throw it away because of the inability to even re-ground it. However, it can be converted into a punch. It is enough to the breaking point to make...
SUPERPLANES MOSCOW MODELERS
The history of the development of the expense of building a traditional class of models of gliders is replete with numerous examples of advances in the field of aerodynamics and design...