Excavated material and superimposed loads such as equipment and trucks shall not be placed closer to the edge of the excavation than a distance equal to times the depth of such excavation.

During the course of a raid, communication between swat team members suffered as excessive static overwhelmed radios. within the communication process, this static can be viewed as it interfered with the communication.

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?

Radiation was first detected by a ?