【Daily Question】December 19, 2016 – Participate to earn +2 wealth； +3 to +10 wealth for correct answers
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To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched to foster an active atmosphere for technical exchanges while offering members certain financial rewards. 【Daily Question】 All operations that generate toxic gases must be carried out within ( ). What to do when the ventilation system fails ( ). Standard**: Fume hood required. It is prohibited to use your ** in replies. Participating in the quiz earns +2 wealth points; answering all questions correctly adds another +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or **, or include detailed calculation processes, will receive additional wealth rewards. If your answers are correct and your analyses and explanations are accurate, your reply will be marked as the best reply (or the best assistance). Feel free to answer.
All operations that generate toxic gases must be carried out in a fume hood; operations are prohibited when the ventilation system is not functioning properly.
All operations that generate toxic gases must be carried out inside a (fume hood). Operation is strictly prohibited when the ventilation system is malfunctioning.
All operations that generate toxic gases must be carried out in a (fume hood). Do not operate when the ventilation system is malfunctioning (prohibited).