Plastic bands are safer than steel, and recyclable.
塑料带比钢带更安全，并可回收利用。
2
Instead, they are crafted into enormous rubber bands that replace the steel tracks completely. The Danes are converting their entire APC fleet to rubber tracks.
而是被设计成巨大的橡胶带，完全替换钢制履带。
3
Roofs are steel with a series of orange, yellow, vermillion and charcoal stripes which continue onto walls, creating continuous bands in many locations.