工作场所化学品 Chemicals on site 工作间所有化学品有MSDS Material Safety Data Sheet (MSDS) for all chemicals used at the workplace ..
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The contractor must provide advance notice to site management before hazardous materials or chemicals are brought on site.
承包商在将危险材料或化学品带入现场之前，必须事先通知现场经理。
Lab Packs: To prevent accumulation of unnecessary waste chemicals on-site, lab packs should be conducted annually.
实验室包：为了避免化学物质不用要的糜费，使化学物质在现场堆积。实验室应该每年停止整理。
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