Manja a Balancer (kapena manja owongolera bwino) ndi makina okhala ndi mkono wolimba wowongolera wopangidwa kuti anyamule katundu waukulu komanso wolemera. Amayendetsedwa ndi mpweya ndipo amagwiritsidwa ntchito ndi manja, zomwe zimathandiza kuti zinthu ziyende bwino komanso molondola. Dongosololi ndi losavuta kugwiritsa ntchito ndipo limawoneka lopanda kulemera kwa wogwiritsa ntchito, zomwe zimawalola kunyamula ndi kuyendetsa katundu wambiri popanda kugwira ntchito yambiri.
Kuthekera kwa manja olinganiza kusuntha zinthu kunja kwa pakati pa kulemera kwawo kumapangitsa kuti katunduyo azilamuliridwa bwino, mosasamala kanthu za kukula kwake kapena kulemera kwake. Woyendetsa galimotoyo amatenga mphamvu ya katunduyo kuchokera kwa woyendetsa ndipo amatha kupereka mphamvu yogwira ndi kuyenda bwino ponyamula, kutsitsa, ndi kunyamula zinthuzo kumene mukufuna.
Ma Balancer arms ali ndi ntchito zosiyanasiyana m'mafakitale onse ndipo amatha kuperekedwa ngati chipangizo chokweza chokha, kapena ngati gawo la yankho la turnkey ndi gripper yapadera kuti alole kuzungulira ndi kuyendetsa zinthu zovuta kwambiri.
