Answer
Guterana kugaragara bibaho mumasoko yiziritse mugihe impinduka zinyerera mugihe cyo kwikuramo. Iyo ushyizeho, amavuta yakoreshejwe (urugero, molybdenum disulfide cyangwa amavuta yimashini yoroheje) agira uruhare runini. Niba amasoko yashizwemo yumye, guhuza intera irashobora gutera isoko 'guhambira', bikavamo umutwaro muremure cyane kuruta kubarwa na $ P = K f $. Mugihe cyambere cyambere ('gucamo-in' igihe), impinduka zizakemuka. Ba injeniyeri bagomba kwerekana 'pre-set' cycle aho amasoko yegeranye kugeza murwego rwakazi inshuro 3-5 mbere yo gupima umutwaro wanyuma. Ibi byemeza ko ubwumvikane buke buhamye kandi isoko itanga imbaraga zihoraho mu nteko.