Jira risina kurukwa rakakodzera girazi fiber polyester composite felt rinonyanya kugadzirwa nepolyester (PET), huremu hwaro hunowanzova pakati pe30 kusvika 80g/㎡. Sarudzo chaiyo inobva pane zvinodiwa chaizvo zvekushandisa kuti rive nesimba, ukobvu, kusefa uye zvimwe zvinodiwa pakushanda. Magadzirirwo maviri, asina kupfava uye ane mesh, anogona kugadziriswa.
