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.
Waves travel effortlessly along the water's surface. This is made possible by small movements of the water molecules. This chapter looks at how the motion is brought about and how waves can change speed, frequency and depth. waves and wind. The wind blows over the water, changing its surface into ripples and waves. As waves grow in height, the wind pushes them along faster and higher.