If plastic and rubber are burnt, they'll give off poisonous gases.

要是塑料和橡胶被焚，就会放出有毒的气体。

《新英汉大辞典》

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They include some steel and non-ferrous metal products, fertilizers, and some plastic, rubber and glass products.

涉及商品包括部分钢材、有色金属加工材、农药、塑料及制品、橡胶及制品、玻璃及制品等。

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A car is just some metal, plastic, rubber.

汽车就是铁，塑胶，还有橡胶组成的。

耶鲁公开课 - 死亡课程节选

Lafreniere said that the foot was fake, made of plastic or rubber, and that it was someone's idea of a bad joke.

CNN: STORY HIGHLIGHTS

She suggests using metal, not plastic or rubber, toys and trinkets.

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They have helped test the impact of nonlethal munitions like plastic and rubber bullets and have helped determine the best kind of footwear for land-mine clearance teams.

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