1、Electronic factory, etc.: the production line rectangular or round type smoke extraction duct, in each work point above the opening of a small round hole, usually closed with a baffle fume hood connected to the branch pipe and seat, fixed in the side of the duct or below. When the technician below needs to solder and smoke, the base of the whole set of soldering and smoking hoods with air volume adjustment switch is fastened to the table and suspended upside down from any fixed point.
2、When not in use for a long period of time, it is advisable to clean and maintain the hoods and store them until the next time when they are needed at any workplace.
3, maintenance: this hood involves the use of technicians to have the right to better air quality over a long period of time, users should not use high temperature welding hoods or winding PVC ducts above, and need to clean and wipe the smooth transparent acrylic hood from time to time by themselves.