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How many different types of ventilation are commonly used in the welding shop?
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How many different types of ventilation are commonly used in the welding shop?

User Kazimierz Jawor
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Answer:

Ventilation strategies fall into three general categories: Natural Dilution Ventilation (least effective) Mechanical Dilution Ventilation. Local Exhaust Ventilation (most effective)

User BossWalrus
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