retardant造句怎么写

Firefighters were pulled from the top of the mountain after clearing brush and spraying retardant on antennas because it was too dangerous for them to remain.

The seating is made of flame retardant polyurethane foam, injected upon steel frames.

The product is suitable to be used in important places as power lines such as high-rise buidings, tunnels, power stations and intellgent mansions, especially suitable for those places having a higher fire-fighting requirements, it is more reliable and safer than ordinary flame-retardant cable.