Miniature sensor in plastic housing.

微型传感器塑料房屋。

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Fibre optic sensor in plastic housing.

光纤传感器塑料房屋。

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With a Dremel and small bit, make a small hole in the plastic housing.

利用Dremel工具和小钻头，在塑料外壳上钻一个小孔。

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But the plastic housing adds quite a bit of bulk to what is already relatively thick device.

ENGADGET: Acer unveils Aspire P3 Ultrabook convertible (update: video)

If Apple were to offer a iPhone model that returns to a plastic housing, that could boost demand for plastic suppliers such as Eastman Chemical (EMN), Dow Chemical (DOW) and Cytec Industries (CYT), to name a few.

FORBES: Apple's Future Is In Plastics?

To protect your Impulse Controller while it is tethered to your keychain it comes wrapped in a very clever plastic housing that doubles as a stand for your phone while playing a game in either portrait or landscape mode.

ENGADGET: Black Powder Media's Impulse Controller hands-on (video)