Ka boemo ba lisebelisoa tsa tlhahiso ea bonono kahare, bokhoni bo matla ba tekheniki, lisebelisoa tse tsoetseng pele tsa tlhahlobo le mekhoa ea tlhahlobo, boleng ba sehlahisoa bo phahame ebile bo bile ntlafatsong e tsitsitseng e ka khotsofatsang kopo ea moreki ho tsoa maemong a mangata.