Central air conditioning outlet material which good

Central air conditioning vents are generally plastic, a few are wood, if you want to choose a little more advanced vents, you can consider the copper vents, brass or copper vents, to make up for the monotony of the traditional vents, and can be done in a variety of colors, copper vents will be relatively high-end atmosphere a lot.

What does it mean to describe someone with a central air conditioner?

There is a saying that is good for one person is a warm man, good for all people is the central air conditioning, if you describe the people, it is good for all people, is that like the Duan Wangzhu, haha!