Labor rates must take into account both the base labor paid to teh mechanic plus the following factors: 1  Mechanics overhead costs - hand tools he usually has to provide. 2  Shop overhead including many consumables, lights, compressors, ramps, lifts, large equipment like alignment and diagnosis tools, cleaning facilities, bathrooms and water.
A wave is a way in which energy travels from one place to another. There are many kinds of waves, such as water waves, sound waves, light waves, radio waves, microwaves and earthquake waves. All waves have some things in common.
A body wave is a seismic wave that moves through the interior of  the earth, as opposed to surface waves that travel near the earth's  surface. P and S waves are body waves. â¦ Each type of wave shakes the  ground in different ways. 1 person found this useful.