Ma Dumbbell a TPU amapangidwa ndi chitsulo cholimba ndipo amakutidwa ndi mphira kuti azikhala kwa zaka zambiri ndikuteteza pansi.
Chitsulo cholimba ndi cholimba, chodalirika, ndipo sichipinda kapena kusweka pansi pazikhalidwe zabwino.
TPU ndi chinthu chodziwika bwino pamagalimoto chifukwa cha kusinthasintha, mphamvu, komanso kukana ma abrasion.
Mitu ya TPU ndiyochepetsa phokoso komanso yodekha pansi panu ndi zida zina.