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procedural
The spines of an echidna are very sharp. When threatened, they can dig very quickly into the earth, disappearing horizontally, leaving only their quills exposed while they burrow. Echidnas burrow as a protective defence, leaving only the spines exposed to the potential predator.
detection for protection and warning
The film badge measures radiation exposure; an exposed film badge indicates how much radiation a worker has recieved.
Here is a quick list:follow safety rules and guidelines (check OSHA for US)Have the right PPE or Personal Protective EquipmentGet the right safety traininghave emergency planseliminate hazards by education
Determine and communicate protective measures
Protective barricade
Protective measures,resources threatened,report activity and location
Determine and Communicate protective measures
Increased production of melanin.
procedural
Preservation
Aluminum
Personal protective equipment include protective clothing, helmets, goggles, or other garments or equipment worn by employees for protection in hazardous environments.
msds
barricade, evacuate, isolate
threatned