Local exhaust ventilation or other engineering controls are normally required when handling or using this product to avoid overexposure.

使用时避免过度暴露，必要时使用当地抽风系统或其它工程控制。

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Such controls typically involve the use of local exhaust ventilation, work practice modification, and personal protective equipment in order to reduce exposure potentials.

这些控制一般包括使用局部通风系统、工作实践改善和个人防护用品，来减少暴露浓度。

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Such controls typically involve the use of local exhaust ventilation, work practice modification, and personal protective equipment in order to reduce exposure potentials.

这些控制一般包括使用局部通风系统、工作实践改善和个人防护用品，来减少暴露浓度。

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