Amaphayiphi amaphayiphi ahlukene asetshenziswa ezimeni ezahlukene, futhi ngenxa yalokho ayahluka ekusebenziseni kwawo phakathi kwamaphampu-angenisayo aphansi,{1}}aphezulu,{2}}nendawo ephumayo ephezulu,{3}}ephansi{3}.
Amaphampu-angenisayo aphansi,{1}}aphezulu afanele ukuthutha uketshezi lusuka endaweni ephansi luyiswe endaweni ephakeme, ekude nendawo yokuqala. Ngakolunye uhlangothi, amaphampu aphakeme-angenisayo, aphansi{4}}aphansi afanele ukuthutha uketshezi lusuka endaweni ephakeme, ekude nendawo yokuqala, ukuya endaweni ephansi.