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Optimum microclimatic conditions
are combinations of parameters of a microclimate 
which at long and systematic impact on the person provide conservation of a normal thermal state 
of an organism without strain of mechanisms of a thermoregulation. 

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Admissible microclimatic conditions
are combinations of parameters of a microclimate 
which at long and systematic impact on the person can cause the transient and quickly normalized 
changes of a thermal condition of an organism which are followed by the strain of mechanisms of a 
thermoregulation which isn't going beyond physiological adaptive opportunities.
The thermoregulation
is a mutually combination of the processes a teploobrazovakniya I 
thermolyses regulated in the neuroendocrine way.
Electromagnetic fields
are a special form of matter by means of which interaction between 
electrically charged particles is carried out. 
Production
noise
is a chaotic combination of sounds of various frequency of loudness and 
force.
Acoustical adaptation
is the temporary reversible depression of acoustical sensitivity on 
10-15 dB which is restored three minutes later after the termination of impact of hum. 
The fatigue of the acoustic analyzer
is a depression of acoustical sensitivity, rising of 
auditories threshold is more, than on 15 dB and longer restoration after hum cancellation.
Vibration
is a difficult oscillatory process which are characterized to wide frequency 
ranges, transfer of oscillatory energy from the fluctuating particles to next.
The period of fluctuations
is time during which the material body makes one full wave (in 
sec.).
Frequency of fluctuation
is a number of full waves for 1 piece.
Dust
is a set of thinly dispersed particles of solid substance which are formed in the course 
of production and being long time in suspension in air medium.