local exhaust ventilation

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。

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。

General ventilation, local ventilation, task air supply, air distribution, air supply, exhaust.

全面通风，局部通风，岗位送风，气流组织，送风，排风。