1. Facility maintenance: there are many large-scale facilities in the convention and exhibition center, such as exhibition halls, conference halls, stages, lighting and sound equipment, etc., which need regular maintenance and repair to ensure their normal operation and safety.
2. Decoration and maintenance: Decoration and arrangement of the convention center is also an important part, including walls, floors, ceilings, booths, sets, etc., which need to be regularly repaired and renewed in order to keep the convention center in a good environment and attractive.
3. Maintenance of electrical equipment: The convention and exhibition center involves a large number of electrical equipment, such as lighting, sound, projection, computers, etc., which need regular checking and maintenance by professional personnel to ensure their normal operation and use effect.
4. Security maintenance: the convention and exhibition center needs to ensure the safety of exhibitors and visitors, so it needs regular inspection and maintenance of fire-fighting facilities, security channels, monitoring equipment, etc. to ensure its normal operation and use of the effect.
5. Environmental health maintenance: the exhibition center is a public **** place with a large number of people, so it needs to maintain good environmental health and cleanliness, including ground cleaning, bathroom cleaning, garbage disposal and so on.