Aluminum alloy shaft and plastic head, shaft length could be adjustable.

铝合金杆身，头部为塑料杯。杆身可伸缩。

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The main materials of this technology are split bolt, PVC casing, plastic head, vertical skeleton and aluminum alloy skeleton.

该工艺主要材料包括对拉螺栓、PVC套管、塑料封头、竖骨架、铝合金骨架等。

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Remove its plastic head, aim it at the admitting pipe of the air filter, push the sprayer, spray it for 1-3 seconds and then start the engine.

取下塑料盖后，对准空气滤清器的进气管，按下喷头正喷约1 ~ 3秒，然后启动即可。

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New Yorkers think nothing of turning up at a critical meeting in an ankle-length Driza-Bone coat, bright-yellow sou'wester and a plastic head scarf.

WSJ: Tina Gaudoin on Style: How to Dress Like a New Yorker

You can make your own sea monster by taking the shell off a remote controlled boat with a decent sized motor and replacing it with a plastic crocodile head.

FORBES: Still Waiting for the Iceland Sea Worm

With plastic intake manifolds and head-mounted injectors, it weighs a scant 234 pounds.

FORBES: How to get 51mpg from an engine the size of a large turkey.