1. The grass blades tore, but their initial resistance sent him stumbling backwards. 2. A dull blade will tear and rip at the grass rather that slice right through it, Novotny said. 3. Novotny said that a sharp cut will not add stress to the grass, whereas a dull blade will tear and rip at the grass. 4. Smaller blades also tear at the ceiling and floor to produce a smooth, oval-shaped corridor. 5. The film will quickly dull even the sharpest blade, and dull blades will tear, not cut the film. |