hand rotating button and selecting the level effort

navigate by keyword : achievement action and button cost data difficulty drive effort exertion fatigue finger force goal hand high integrate labour level life low make medium mental move muscular personal pull push relaxation resistance result rotate rotating select selecting self sport state strain successful the travail trouble voluntary work

   
   
   
   
   
   
   
Hand rotating a button and selecting the level of effort.
   
   
   
   
   
   
   
Hand rotating a button and selecting the level of effort. This concept illustration is a metaphor for choosing the level of effort in order to reach a goal. Three levels are available: low, medium and high.

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