Irekhodi lokuthunyelwa lanamuhla le-EHUG le-U-Flex grooved ngezansi:

Isetshenziselwa ukumunca ukunyakaza okubangelwa ukwehla nokucindezeleka okungase kube khona ikakhulukazi lapho ukunyakaza kwe-seismic kungase kubangele imiphumela eyingozi.