Mutha kupachika zoyambira ndi dzanja lanu, nyundo, mphira kapena zida zina zapadera ngati choyimitsa / dalaivala.
Malangizo oyika (1)
Pamene nthaka yalimba imatha kupindika zokhazikika poziika ndi dzanja lanu kapena kumeta, Boolani zibowo zoyambira zokhala ndi misomali yayitali yachitsulo yomwe ingachepetse kuyikikako.
Malangizo oyika (2)
Mukhoza kusankha malata ngati simukufuna kuti achite dzimbiri posachedwapa, kapena chitsulo chakuda cha carbon chopanda dzimbiri choteteza dothi kuti chigwire kwambiri ndi nthaka, kuonjezera mphamvu yogwira.