Ingoma za 4-tandem (2/6-tandem) zo mu cyuma kitagira umugozi zigenzurwa n’ubushyuhe zigizwe n’ingoma enye , ebyiri cyangwa esheshatu nto z’icyuma kitagira umugozi, zose zikaba ari ubwoko bumwe ku buryo ibizamini bine , bibiri cyangwa bitandatu bishobora gukorwa icyarimwe, bityo bigatanga umusaruro mwiza. Zifite uburyo bwo gushyushya no kugenzura ubushyuhe, ubushyuhe bushobora kugenzurwa uko ushaka kugira ngo buhuze n’ibisabwa mu gutunganya. Ibikoresho bifite inshingano zo kugenzura igihe cyose cyo gukora, igihe cyo guhindukira imbere no inyuma. Umuvuduko w’ingoma ushobora kugenzurwa hashingiwe ku busabe bw’igikorwa. Idirishya ryo kureba rikozwe mu kirahure gikonje neza kugira ngo imiterere y’uruhu ruri mu ngoma ibashe kugaragara neza ako kanya. Ingoma iyo ari yo yose ishobora guhagarikwa uko ushaka mu gihe cy’imikorere y’ingoma binyuze muri sisitemu yo gukinisha. Amazi cyangwa uruhu bishobora koherezwa mu ngoma mu gihe ingoma zirimo gukora binyuze muri sisitemu yo gupakira. Ibi bikoresho birakwiriye cyane cyane mu isuzuma ry’uruhu rutandukanye mu bwoko buke n’ubwoko bw’uruhu.
Igikoresho cy'ingenzi gikoreshwa cyane mu nganda zikora impu, ingoma z'ibiti zifite ibiti byazamuwe cyangwa imbaho z'uruhu. Uruhu rushobora gutunganywa icyarimwe mu matsinda ari mu ngoma. Iyo ruyobowe n'ibikoresho kugira ngo ruzunguruke, uruhu ruri mu ngoma ruhora rugonda, rurambura, rurakubitwa, ruravangavanga n'ibindi bikorwa bya mekanike, bikihutisha inzira y'imiti kandi bigahindura imiterere y'uruhu. Uburyo ingoma ikoreshwamo bukubiyemo uburyo bwinshi bwo gutunganya impu butose, ndetse no koroha no gukaraba kw'uruhu, nibindi.
