Amacandelo achanekileyo kunye nezixhobo zokulinganisa ziya kuguga ngexesha lokusetyenziswa, okukhokelela kwiingxaki zokuchaneka.Ezi zinto zincinci zokunxiba zidla ngokuba ngumphumo wokutyibilika ngokuqhubekayo kwamalungu kunye/okanye izixhobo zokulinganisa ngaphaya komphezulu we-granite slab.