41.   Make sure the blade is new, and replace it when it gets dull and slides over the sealant rather than scraping it off.

42.   Manufacturers all but give away the razor, but the replacement blades are costly.

43.   Mower blades should be sharp to avoid tearing the cut ends of grass, which can make them brown and vulnerable to pest attack.

44.   Most saws have a protractor gauge on the angle adjustment so the blade can be set for a variety of angles.

45.   Now the blade is never far away.

46.   Other handy wood-cutting blades are the hollow-ground planner blade and the flooring blade.

47.   Probably the most common way a hand runs afoul of a table saw blade is by being dragged into it.

48.   Stainless steel blades are lighter and rustproof.

49.   That is not a problem because replacement blades are readily available.

50.   The blade is also adjustable to keep it away from the glass.