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The fatigue
is a subjective implication of a fatigue. 
The work-rest schedule
is an alternating and duration of the periods of work and rest. 
The accounting of labor productivity
is a determination of quantity of the developed 
products, the weight of the peeled shaving, calculation of work in kg/m, % of marriage and 
mistakes, etc. 

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Time-keeping
is a characteristic of working capacity in time (time of separate operations, 
pauses, idle times is measured). 
Brainwork
is a work at which there is an appreciable strain of the central nervous system 
(CNS), its creative department (the II alarm system).
Physical work
is a work at which the appreciable share of a load falls on neuromuscular or 
as it still call the motive device. 
Monotony
(works) is a property of some types of work demanding from the person of long 
performance of monotonous, elementary actions. 
The monotonia
is a special type of a functional condition of the organism developing in the 
course of monotonous work (labor process can be considered monotonous if according to time data 
one of factors takes more than 60% of operating time).
The ergonomics 
are an applied science which purpose is work adaptation to physiological 
and mental opportunities of the person for ensuring the most effective work which doesn't frame 
threat to health of the person and is carried out at the minimum expense of biological resources.
The fotogoniometric research
of a working pose is assessment of a working pose 
according to compliance measured to optimaplny angles of a working pose at creation of an epyur. 
Epyur
is a schematical image of a working pose.
Physiological method
– assessment method to changes in an organism of the working day 
working in dynamics.