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4) Rational heating, ventilation, and air-conditioning:

 air and water showers in hot workshops;
 radiation heating of permanent workplaces;
 air movement – closing windows and doors, air and air-thermal
curtain installation on doors and gates.
5) Rationalization of work and rest regime:
 shift shortening;
 additional breaks.
6) The use of equipment heat insulation and shields. Shields for separating
thermal radiation sources from workplaces are used in industrial zones.
Shields can be:
 reflecting;
 absorbing;
 collecting;
 mixed.
7) The use of individual protection means:
 overalls;
 efficiency suits;
 helmets, goggles.

Revision Questions

1) Maximum allowable concentration. Definition.
2) Classification of dangerous and harmful industrial factors by nature of
the action.
3) Which dangerous and harmful industrial factors belong to the group of
physical factors?
4) Which dangerous and harmful industrial factors belong to the group of
psychophysiological factors?
5) Which dangerous and harmful industrial factors belong to the group of
biological factors?
6) How are chemical hazardous and harmful industrial factors classified?
7) Basic measures to improve working conditions.
8) Classes of harmful substances.
9) Occupational Dust and its Effect on Human Body.
10) Optimal and allowable microclimatic conditions.
11) Rationing of the intensity of thermal radiation.

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