求翻译：通风操作。操作人员必须经过专门培训，严格遵守操作规程。建议操作人员佩戴自吸过滤式防毒面具（半面罩），戴化学安全防护眼镜，穿防毒物渗透工作服，戴橡胶耐油手套。是什么意思？

Ventilation operations. The operator must go through specialized training, strict adherence to rules. Proposed operators wear self-absorption filter respirators (half-mask), wearing protective chemical safety glasses, wear protective overalls on infiltration, wear rubber gloves.

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Ventilates the operation.The operator must pass through trains specially, observes the working instruction strictly.The suggestion operator wears the self-absorption filtration type gas mask (half face guard), wears the chemical safety protection eyeglasses, puts on guards against the poison seepage

Ventilation operations. Operations personnel must receive special training, strict compliance with operating rules. Proposed operator wearing a self-priming filter type respirators (half mask), wear chemical safety glasses, wearing anti-permeability of clothes, wearing rubber oil resistant gloves.

Ventilation operations. The operator must go through specialized training, strict adherence to rules. Proposed operators wear self-absorption filter respirators (half-mask), wearing protective chemical safety glasses, wear protective overalls on infiltration, wear rubber gloves.