Ma TPE ndi ofewa komanso otambasuka, kuwapangitsa kukhala abwino pazinthu zomwe zimafunikira kusinthasintha komanso kusinthasintha.Izi zimadziwika kuti zimalimbana kwambiri ndi nyengo, kuwala kwa UV, ndi mankhwala.TPE ilinso ndi kukana kwambiri kupsinjika ndi kusweka, kupangitsa kuti ikhale chinthu choyenera pazinthu zomwe zimafunikira moyo wautali.Zingwe zolumikizira zitsulo zosapanga dzimbiri ndi zingwe zoluka za nayiloni zimapangitsa kuti zogwirira ntchito zolimbitsa thupi zikhale zolimba.Kukweza kwa zinthuzo kumatha kuthetsa vuto la thukuta ndi manja oterera panthawi yophunzitsira, kuti wophunzitsa athe kuchita bwino komanso omasuka maphunziro amphamvu.Ndipo zimatha kuchepetsa ululu wobwera chifukwa cha kukangana pakati pa kanjedza ndi chogwirira panthawi yophunzitsira, kuteteza manja bwino ndikuchepetsa chiopsezo chovulala.
Monga katswiri pantchito yolimbitsa thupi, ndikofunikira kumvetsetsa momwe ma ergonomics amakhudzira panthawi yolimbitsa thupi, makamaka pogwira zolemera.Zikafika pakulimbitsa thupi kwa chingwe, kusankha chogwirira choyenera ndikofunikira kuti mukwaniritse ma ergonomics abwino.Chogwiriracho chiyenera kukhala chomasuka kugwira, kukhala ndi chithandizo chogwira bwino, komanso chopangidwa kuti chigwirizane ndi dzanja lanu.Izi ndizowona makamaka zikafika pakuchita masewera olimbitsa thupi, omwe ndi abwino kulunjika magulu osiyanasiyana amthupi amthupi.machitidwe a chingwe chogwirira ntchito amafunikira kulumikizana kwakukulu ndi kukhazikika kuti zichitike moyenera.Komabe, kuti mukwaniritse bwino kwambiri, ndikofunikira kulabadira ma ergonomics panthawi yolimbitsa thupi, makamaka mukamagwira zolemetsa zolemetsa.Poyerekeza ndi zogwirira zachikhalidwe, chogwirira chachikulu cholimbitsa thupi chomwe chimapangidwira kulimbitsa zolemetsa zolemetsa chimatha kukuthandizani kuti muyang'ane manja anu pochita masewera olimbitsa thupi komanso kuwongolera bwino maphunziro.Kuchuluka kwa katundu mpaka 800 LBS.Oyenera makina opangira chingwe cha lat-down, pulley system ndi makina a smith.Itha kugwiritsidwa ntchito ndi magulu otsutsa kuchita masewera olimbitsa thupi ochulukirapo komanso kuphunzitsa mphamvu.