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Passes should be made across the length and width of the garden alternately. Rocks which are turned up should be removed from the garden area. See Figure 8. Figure 7 Figure 8 Handle Pressure Further control of tilling depth and travel speed can be obtained by variation of pressure on the handles. • A downward pressure on the handles will reduce the working depth and increase the forward speed. • An upward pressure on the handles will increase the working depth and reduce the forward speed. The t