Phrases with «exterior shell»

You see, in - mold helmets have a foam interior injected into the mold while the hard exterior shell remains inside. (checkpregnancy.com)
It has reinforced corners, a tough exterior shell, and a flexible inner lining for shock absorption. (cultofmac.com)
If you're patient, you can wash the entire exterior shell of the bag without having to submerge the whole bag. (treehugger.com)
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