â¢ Position the grinder in a way that the guard provides the maximum protection to the operator from sparks and/or flying debris. â¢ Use caution when grinding in corners because a sudden, sharp movement of the grinder may occur when the wheel strikes the secondary surface.
A boater may not approach within 100 yards of a military vessel; it must slow to minimum speed within 500 yards of any naval vessel. 8 people found this useful.
The farthest spot from a road in the Lower 48 states is less than 30 miles according to this source. If any territory or land area controlled by the US federal government in any capacity qualifies, then the uninhabited Midway Islands, site of the famed WW2 Battle of Midway, are the clear winner.