Mwala wapadera wapadera. Pali pali mwala wambiri wamphamvu padzikoli, koma okhawopa ochepa omwe amagwiritsidwa ntchito popanga zida. Takonzeka kumigodi yambiri kuchokera padziko lonse lapansi, tidayesa miyala yolingana.imbiri, tapeza miyala ingapo yopanga mathupi abwino: Jinan Bran Granite ku China