Rushewa da Shinge Slabs

Hanyoyi biyu masu kyau don samar da abubuwa ta yin amfani da sutura suyi amfani da nau'ikan ƙwayoyi da nauyin haɓaka. A cikin ƙwayoyin ƙafa, an kwasa lãka a cikin ƙwayar. A cikin ƙarancin haɓaka, sarƙa da yumɓu yana ɗaure a jikin gwal.