Even when the blade cut along a wooden ruler — there is no guarantee that the edge, huddling, does not crash or find yourself on it.
This will not happen if the shaver to wear a paperclip as shown: she cut off the blade from the line and the cut goes right.
Recommend to read
AEROCYCLE
The idea of creating this vehicle originated with me a long time ago, after watching a story in the “You Can Do It” program about skiers with backpack aeropropulsion. It was clear that...
THE FIRSTBORN OF THE RUSSIAN AUTOMOTIVE INDUSTRY
The Russo-Baltic wagon factory (RBVZ) became the leader of Russian automobile industry in the early XX century. Founded in 1874 in Riga, is a large engineering company produced steam and...