71.   The windshield wipers had to work and blades be in good condition.

72.   There are special blades for hard materials.

73.   These blades are more expensive than ordinary steel blades, but they stay sharp longer and make smoother cuts.

74.   Those blade is useful for cutting ceramic tile, slate and masonry.

75.   Wahl says the precision-ground, high-carbon steel blades are self sharpening.

76.   What they may not be aware of, however, is that the blocked blades may still be under tension even with the power off.

77.   We have large yellow patches where noticeably lighter blades are among otherwise green ones.

78.   When the blade is clean, look carefully to determine its cutting angle.

79.   When the mowers do run over the greens again their blades will not be as close to the ground as they have been of late.

80.   Wiper blades are inexpensive for the service they provide.