Macnaha qaamuuska ereyga "hawlgal samatabbixin" waxa loola jeedaa dadaal ama ficil la isku dubariday si loo badbaadiyo ama looga soo saaro shakhsiyaadka ku jira khatar, cidhiidhi, ama xaalado khatar ah. Waxay caadi ahaan ku lug leedahay hawlgelinta shaqaale tababaran, qalab, iyo agab si loo soo saaro oo loo keeno shakhsiyaadka ammaanka. Hawlgallada samatabbixintu waxay ku dhici karaan xaalado kala duwan, sida xilliyada masiibooyinka dabiiciga ah, shilalka, hawlgallada militariga, ama xaaladaha kale ee degdegga ah halkaas oo loo baahan yahay faragelin degdeg ah si looga hortago waxyeello ama khasaare nafeed. Hadafka koowaad ee hawlgalka samatabbixintu waa in gargaar iyo gargaar la siiyo kuwa baahan iyo in la yareeyo khataraha la xidhiidha duruufaha khatarta ah ee soo food saaraya.