Wareegtada wareegtadu waa nooc wareegta gacanta si loo xakameeyo deminta xidhiidhka muhiimka ah.Waxa kale oo jira laba qaab dhismeed oo ah furayaasha rotary, kuwaas oo kala ah, qaab-dhismeedka unugga hal tiir ah iyo qaab dhismeed badan oo meelo badan leh.Dareeshooyinka wareegtada hal cirifka ah ayaa inta badan lala isticmaalaa potentiometer rotary ee codsiyada, halka dareemaha rotary-ga badan ee boosaska badan leh loo isticmaalo beddelka wareegga shaqada ee gobolka.