Official Answer
Answer
Igice gihoraho kibaho mugihe isoko yamenetse kugeza murwego rwo hejuru aho imihangayiko yimbere irenze imbaraga zumusaruro wibintu, bigatera ihinduka rya plastike. Ipimwa mugereranya uburebure bwubusa ($ L_0 $) mbere na nyuma y 'ikizamini gikomeye' (kwikuramo uburebure bukomeye cyangwa umutwaro wihariye). Niba $ L_0 $ ari hasi cyane, isoko yarashize. Ibi akenshi biterwa no guhitamo ibikoresho bifite imbaraga zidahagije zo gutandukana cyangwa gusabwa kubwimpanuka 'kurenza urugero' mu nteko. Kugira ngo wirinde ibi, abashushanya bagomba kwemeza ko guhangayikishwa cyane no gutandukana (ndetse no mugihe cyo kwishyiriraho) bitarenze imipaka ya elastike.
