Gina sifofi masu ɗorewa da ayyuka masu girma sun dogara kacokan akan zaɓin abubuwan ƙari, waɗanda ke taka muhimmiyar rawa wajen haɓaka kaddarorin kankare. Wadannan additives, kamar gardama ash, cenospheres, fadada perlite, m gilashin microspheres, kankare zaruruwa, da ruwa rage jamiái, suna revolutionizing da gine-gine ta hanyar inganta kankare gaurayawan da admixtures.