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.
In order to avoid big waves: 1  Avoid shallow water. 2  Don't go upwind in big waves. 3  Use land as a natural breakwater.  If the waves are so big that you can feel them pushing your boat sideways, or backward -- turn into the 1  wave. You can estimate the height of waves by knowing your eye height above the water.