Muchina wekutapa unowanikwa pamberi pedivi rekutapa rechoto chekudziya.Icho chigadziro chinoshandiswa kutora ma slabs anopisa muchoto chekupisa uye kuaisa pane tapping rollers zvakanaka.Inogona kuva imwe-yakabudiswa kana kuti yakapetwa kaviri maererano ne-slabs yehurefu hwakasiyana.zvinhu.