Respuesta :
The sensory clue that greatly increase our suspicion of a hazardous materials incident is Wavy vapors over a liquid.
Our feel of sight can detect sensory clues which includes box shape, placards, markings, names or license plate numbers and our experience of listening to may also lead you to the source of gasoline or vapor escaping from a cylinder however you will be dangerously too close to the dangerous fabric.
The first sensory clues approximately the presence of dangerous substances are visible as you approach the scene of an incident. those encompass box shapes, placards, and different markings and labels, and environmental signs and symptoms.
The spot precedence is to guard and others. set up an Isolation sector and circulate outdoor it. Alert others inside the danger location to do the same. Take only moves which you are ready and educated to take. Upon a discovery of a spill, the preliminary responder have to take the subsequent actions: record the emergency. Warn others and activate alarm. Take instant non-public shielding measures.
Disclaimer: your question is incomplete, please see below for complete question
A. Black or gray smoke at a residence fire
B. Wavy vapors over a liquid
C. White smoke or steam that appears after adding water to a structure fire
D. Fire that starts on the highest level of a structure
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