Ma HDPE/UHMWPE osinthika makonda a crane outrigger pads amagwiritsidwa ntchito makamaka ngati mbale yothandizira pansi pa makina opangira uinjiniya, amathandizira.Padyo imakhala ndi mphamvu zambiri komanso kuuma, kenako imatha kuchepetsa kuchuluka kwa thupi chifukwa cha kupsinjika.Itha kupereka mphamvu yokhazikika yothandizira ma cranes, magalimoto opopera konkriti ndi magalimoto ena olemera aukadaulo.