baumarktwissen.eu

DIY Knowledge

Utility value

Nutzwert

Valor útil

Coéfficient d'efficacité

Utility value is the ratio between the manual labour time and the machine time required for the same operation. This can be expressed by the following formula:

utility value time consumed
by manuel labour
=
???????????
 
time consumed
by machine labour

 

The calculated figure represents the factor by which machine labour is faster than manual labour.