Final answer:
In exceptional situations where equipment cannot be used in a laboratory, the best course of action is to improvise and adapt to the situation. Report the situation to a supervisor and wait for instructions if unsure.
Step-by-step explanation:
In exceptional situations where equipment cannot be used in a laboratory, the best course of action is to improvise and adapt to the situation. This may involve finding alternative methods or tools to complete the experiment or task. It is important to use prior knowledge, common sense, and critical thinking to assess the situation and determine the best course of action. If unsure, it is advisable to report the situation to a supervisor and wait for instructions.