Umshini wokwela isiqu neqabunga ulungele imifino ephelelwe amanzi emzimbeni, amaqabunga etiye, ukudla okomile ukususwa komzimba wangaphandle, kusetshenziswa ukukhetha okuthile kwamandla adonsela phansi, ukunikezwa komthamo, ukulawulwa komoya nezinye izindlela.Ingasusa umzimba wangaphandle osindayo emkhiqizweni ophelile, njengokuthi: itshe, isihlabathi, insimbi;Umzimba wangaphandle okhanyayo, njenge: iphepha, izinwele, sawdust, ipulasitiki, ukotini kasilika.