Igikoresho cyo guterura hamwe nikintu 7: 1 cyumutekano gifite imbaraga zo kumena inshuro zirindwi igipimo cyakazi cyagenwe. Ibi bivuze ko umugozi wagenwe kuri toni 1 ugomba kwihanganira byibura toni 7 mbere yo gutsindwa. Ibintu 7: 1 byumutekano byateganijwe ningingo zingenzi zinganda zirimo EN 1492-1, EN 1492-2, na AS 4497: 2018 kubice bya sintetike. Iyi ngingo isobanura itandukaniro riri hagati yimiterere yumutekano nimbibi zakazi, kuki 7: 1 arirwo rwego rwo kugereranya inshusho, uburyo ugereranije nubundi bwoko bwibikoresho, nimpamvu iyi ntera yumutekano ari ngombwa mukurinda abakozi numutungo mubikorwa byo guterura isi.