Izigxivizo ze-TC Oil zihlukanisa izingxenye ezidinga ukugcotshwa engxenyeni yokudlulisela engxenyeni ephumayo ukuze ingavumeli ukuvuza kukawoyela wokugcoba.I-Static seal kanye ne-dynamic seal (ukunyakaza okuvamile okuphindaphindayo) uphawu lubizwa ngokuthi uphawu lwamafutha.