Apple mobile phone crystal case, silicone case, TPU case, screen protection, lether case.

苹果手机水晶壳，硅胶套，清水套，保护膜，皮套。

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Crystal Case Cell phone: PC high-grade materials, and has not easily Broken, dust-proof, water-proof function, and so on.

手机水晶：采用高档PC材料、具有不易破碎和不易折断、防尘、防水等等功能。

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Case: Custom 30 meter stainless steel, with hardened mineral crystal, and stainless steel caseback.

运动：日本石英，30米防水，不锈钢，硬矿物晶体和不锈钢底盖带：弹簧钢。

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For those of us annoyed with friends and colleagues repeatedly showing off their new iPhone 5 or BlackBerry 10, Vertu offers the hand-crafted Ti model with 3.7-inch sapphire crystal screen and titanium case.

FORBES: Silent Circle And Vertu Partner On $10,000 Phone

Apple should learn to use more steel versus aluminum for the case, and sapphire crystal or perhaps the new Gorilla Glass 3 for an iWatch screen.

FORBES: The iWatch: What Can Apple Do To Make Us Need One?

Several AIRBNB customers who have used the service to rent their houses to strangers have had terrible problems with vandalism, theft and, in one case, it appeared that crystal meth was being made in the rented property.

FORBES: AIRBNB and The Internet Trust Issue: Who Can You Trust Online?