Identifikasi dan penilaian risiko pada Unit Incinerator, Instalasi Sterilisasi Sentral, Ruang Laundry, dan Ruang Hemodialisa di RS. X Tahun 2013 = Risk identification and assessment to The Workers of Incinerator Unit, Central Sterilization Supply, Department Laundry, and Haemodialysis Unit in RS. X Year 2013