Ngophuhliso olukhawulezayo lweshishini lokuhombisa, amaxesha kunye nabantu babeke phambili, iimfuno ezingcono kwaye ezikhawulezayo zokuhombisa.Uninzi lwezinto ezintsha zokuhombisa, iindlela kunye nesitayile nazo zilandela kwaye ziphuhlisa ngamandla.Kwiminyaka yakutshanje, kuye kwavela izinto zokuhombisa ezaziwa kakhulu 'i-rock slab'.Olu hlobo lwezinto eziphathekayo luya kuba ngumkhwa olandelayo xa kuziwa kumawaka ezindlu.Njengoko ipleyiti yamatye iyinto ecinezelwe kwiphepha ngoxinzelelo oluphezulu, nceda ungakhathazeki malunga nobulukhuni bayo, kuba izinto ezenziwe ngoxinzelelo oluphezulu ziqinile, kwaye umzantsi oshinyeneyo wephepha nawo uneemfuno zesayensi kakhulu, singatsho ukuba ukutyeba kungcono, ngoko ke nceda ukholwe iingcebiso zomenzi xa uthenga, kuba ngabona bantu baqeqeshiweyo.