How to purify the odor of laser cutting ?

In today's advanced industrial manufacturing, laser is more and more widely used, such as laser welding / soldering, cutting, marking, carving, etc., but people's understanding and attention to the harm of smoke generated in the process of laser processing is far from enough. Heavy metal vapor is produced during metal processing. These vapors can damage human tissues, leading to poisoning, allergic reactions, pulmonary fibrosis, cancer and so on. A variety of potentially hazardous substances may be produced when cutting plastic. May cause poisoning, allergic reactions, respiratory tract irritation, lung disease.
For the safety of workshop workers, Moland recommends a kind of purification equipment for smoke odor.