vent mesh screen

5, after the light plating should be carried out light treatment.

The utility of hexagonal net in the playground is very superficial, in the stadium built in each city, are less than the shadow of the hexagonal net. In the stadium around the installation of hexagonal net, not only can improve the stadium of the group image, but also convenient urban residents to implement a row of activities. Because the size of the plane or the surface of the urban area is relatively small, many sports arenas are built in the more prosperous and lively sections, with hexagonal nets to protect the barrier, so it greatly reduces the spherical three-dimensional flying out of the field so affect the traffic order of the bad things.