Tšhireletšo ya mafsika ke mogato o nyakegago wo o ka tšewago mafelong ao go ona go nago le kotsi e kgolo ya maphororo a mafsika, go kgeregela ga mmu le makgwakgwa.Rockfall netting ke mofuta o mong oa tšireletso ea majoe o ka sebelisoang ho tšoara likotoana tse kholo tsa majoe hore li se ke tsa oela letsoapong le ho lematsa basebetsi kapa batho ba haufi.'Me ha e le hantle, ke mofuta oa terata ea hexagonal.