1
An infestation of lice.
2
The science of designing equipment, areas, and tasks to make them safer and to suit the worker's abilities.
3
An inflammation of the gums.
4
Lacking teeth; toothless.
5
A substance added to another substance, changing its effect.
6
Body position in which a person is lying on either side.
7
Semi-sitting body position in which a person's head and shoulders are elevated 45 to 60 degrees.
8
Practices to keep the body clean.
9
Underarm or armpit area.
10
Body position in which a person is lying flat on his back.
11
Body position in which a person is lying on his stomach, or front side of body.
12
Swelling in body tissues caused by excess fluid.
13
Body position in which a person is lying on his left side with the upper knee flexed and raised toward the chest.
