Mu rwego rwo gukora imashini, ubwubatsi bwubwubatsi, umusaruro wimodoka, hamwe nubuzima bwa buri munsi, bolts nimbuto bikora nkibikoresho byingenzi bigira uruhare rukomeye. Bagera kumurongo wizewe hagati yibice bibiri cyangwa byinshi binyuze muburyo bwo guhuza imigozi. Nubwo bisa mumikorere, bolts na nuts bitandukanye muburyo, imiterere, hamwe nibisabwa. Iyi ngingo iracengera mu gutandukanya no gushyira mu bikorwa ibisanzwe hamwe nimbuto zerekana ubwoko butandukanye bwerekanwe mumashusho.