Halle is a technician at a university chemistry lab and is in charge of safety inspections and prevention of injury due to faulty equipment. One morning, as a result of his inspection, Halle discovers a gas burner with a broken valve. Halle gets distracted and fails to put an "OUT OF ORDER/DO NOT USE" sign on the faulty burner. When the morning class arrives, Adrian uses the faulty burner and is burned when it catches fire. Halle's neglience is based on g