Sight and hold this level with a vertical tree...
or a corner of a building...
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or a fence post
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Usethis pageasa guideto determine slopes where you maynot operatesafely.
WARNING:
Do not operate
your lawn mower
on such slopes. Do not mow on inclines with a slope in excess of 15 degrees
(a rise of approximately
2-1/2 feet every 10 feet).
A riding
mower
could overturn
and cause serious injury. Operate
riding
mowers
up and down
slopes, never across the face of slopes.