Here's the official def:
Deep focus<span> is a photographic and cinematographic technique using a large depth of field. Depth of field is the front-to-back range of </span>focus<span> in an image — that is, how much of it appears sharp and clear. In </span>deep focus<span> the foreground, middle-ground and background are all in </span>focus<span>.</span>
You can join tables by using a condition in the "where" clause.
Answer:
Doing what is right I think
Answer:
hot components or sharp edges of computer is an example of a mechanical hazard
