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Chapter 429 Never forget
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Chapter 431 1 way downwind
PREVIEW
... irst chapter is about the precautions of the experiment.
"One, you should wear laboratory clothes when entering the laboratory. You must not wear clothing with bare skin such as slippers and shorts. You must not bring food and drinks into the laboratory."
"Second, entering the laboratory should understand the laboratory environment, such as the location of fire prevention tools, safety sprinkler heads, gas valves, electrical switches, etc. In general, at least two people in a labor ...
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