Benchi yambiri ndi yolimba komanso yolimba mtima, makona am'mimba osinthika amasintha malo aliwonse okhazikika. Zipangizo zolemetsa zophatikizidwa ndi "mzere" woloweza "zimapereka mphamvu zapamwamba, kukhazikika komanso kukhala ndi moyo wautali.
Zipangizo zolemetsa zophatikizira ndi zosintha zosintha mu mzere pa chimango chachikulu cha msana chimatha mphamvu ndi kulimba. M'malo mwake, osavala zovala zapamwamba pa mwendo wapansi kumbuyo umapereka chitetezo kwa zimenezo.
Mawilo okhala ndi matayala ophimbidwa amapanga benchi losavuta kusuntha. Mtengo wa mphira onetsetsani kuti benchi ikhala m'malo mwake ikamatsitsidwa.