.This is a science project. "Semi-automatic grass shredder" is a project of invention. We are doing this project for artificial grass shredder efficiency and reduces time to cut grass.The timing of the cut is equal 3.5,.7 and 9 minutes, it was found that at 3 minutes, cut the grass median x g, y g, in turn, the average period of 5 minutes, cut the grass, in turn, has an average z g n g in the average duration of 7 minutes.k g f g average amount of people turned up for the duration of nine minutes, cutting the grass, in turn, has an average p g g l show that the average cut grass efficiently. In turn reduces the time
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