Uluhlu lwe-YBK3 oluphezulu olusebenzayo olungatshiyo olukwinqanaba lesithathu lemoto ye-asynchronous yimoto yethu ephuculweyo yobungqina bokudubula, uthotho lwemoto inezibonelelo zomthamo omncinci, ubunzima obukhanyayo, inkangeleko entle, ukusebenza okuthembekileyo, ubomi benkonzo ende, ukusebenza okugqwesileyo kunye nofakelo olulula, ukusebenza kunye nokugcinwa.
Uluhlu lwamandla emoto, imilinganiselo yokufakela ihambelana nomgangatho we-IEC, kunye nenqanawa ehambelanayo ehambelanayo kunye nomgangatho waseJamani DIN42673. Kukulungele ukuthelekisa izixhobo ezithunyelwa ngaphandle kunye nokuqaliswa kweendawo ezisecaleni zezixhobo.
Kwizixhobo ze-Ex d I Md ezifakwe kwindawo eqhumayo kumgodi wamalahle, inomgangatho wokhuseleko "ophezulu". Eli nqanaba linomsebenzi owaneleyo okhuselekileyo, kubangela ukuba kungenzeki ukuba ngumthombo wokutshisa ngexesha lesixhobo esiqhelekileyo sokusebenza, okanye phantsi kweemeko ezilindelekileyo zokungaphumeleli kwixesha eliphakathi kwegesi evele ngequbuliso kunye nokucima umbane, iyasebenza kwizixhobo zombane ze-non-excavation workface. ngendawo engqonge irhasi eqhumayo ngaphandle komgodi wamalahle, onomgangatho "ophezulu" wokhuseleko, ayingomthombo wokuvutha ngexesha lokusebenza okuqhelekileyo okanye phantsi kweemeko ezilindelekileyo zeempazamo.