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1. Welding workplaces should be well ventilated, and local smoke extraction devices may be installed at the welding operation site as appropriate, and local ventilation or full ventilation and ventilation measures may be adopted.
2. Dispersing welding points can be set up mobile manganese dust collector, centralized welding place can use mechanical ventilation system
3. For welding operations with frequent flow and short operation time, welding should be performed in the upwind direction to reduce manganese dust pollution.
4. When welding in a container, the container should have inlet and outlet openings, ventilating equipment, and must be guarded on the spot when welding.
5. When welding in a closed container, the container must be reliably grounded, well-ventilated and monitored, and oxygen must not be introduced into the container.
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Macrolides Antibiotics Raw Material
CSPC Pharmaceutical Group Limited , https://www.cspcgroup.com