1. Simbi isina tsvina ine hunhu hwepurasitiki hombe, kusimba kwepamusoro, uye kusimba kwekushisa kwepamusoro, uye ine maitiro akakomba ekushanda kuomesa, izvo zvinoda huwandu hwepamusoro hwebhendi saw blades.2. Iyo blade yesaha inofanira kuva nekupisa kuri nani uye kushomeka kwepamusoro. Ordinary bimetallic band saw blades anoshandiswa pakucheka kabhoni simbi zvinhu hazvina kukodzera kugadzirisa tsvina