Hauv cov ntawv thov kev lag luam, nws tuaj yeem paub txog kev tswj tsis siv neeg, reprogrammable, multi-functional, multi-degree-of-freedom, spatial right-angle kev sib raug zoo ntawm cov lus tsa suab ntawm kev ywj pheej, ntau lub hom phiaj manipulator