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
GCR — THE MATERIAL IS COMFORTABLE
"I was interested in publication in the journal for drywall ("Favorite finishes", MK-10'09) Think that they are very useful for those who builds or repairs of the premises on their own,...
FIX THE ROOF
If you have a house or garden leaky roof — burst slate, rotten boards, rusted sheet metal, it can be easily repaired, placing the patch. The damaged area liberally spread with nitro,...