Na ndabere nke weeding ákwà, gbasaa weeding ákwà, adaba na ngwa ngwa, nwere ike ji mee ihe maka obere ebe nke mkpụrụ osisi na akwukwo nri ubi, na-azọpụta oge na mgbalị, ihe na ahịhịa ahịhịa bụ PP polypropylene ihe onwunwe, obere na obere ibu.