Select the TRUE statement from below: A. Homemade explosives are of little threat in the United States, due to increased regulation of bomb-making ingredients.
B. There few incidents using homemade explosives in the United States involved small explosive devices such as pipe bombs.
C. Homemade explosives are used in more terrorist attacks than conventional explosives.
D. Conventional explosives are much more powerful and destructive than homemade explosives.

What precautions should you take to prevent injuries when dealing with heavy loads?

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.