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"An exhaust device is a device that prevents substances that are harmful to the human body, such as dust and organic solvents, that are generated in the work environment from diffusing into the room, and forcibly sucks and exhausts them.

The exhaust system includes a general ventilation system that ventilates the entire work environment, a push-pull type ventilation system that installs two devices, one for blowing out and one for suction, with the source of harmful substances sandwiched between them, and direct suction from a location close to the source. There are three types of local exhaust systems. Especially in the case of a work environment that handles organic solvents, from the viewpoint of ensuring the safety of employees, it is obligatory to install an exhaust system and submit a notification for installation.

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