At London's W hotel, for instance, Concrete worked around small rooms by combining a sink and a writing desk into a functional but eye-catching white module.

WSJ: Inn With the New

You're very, very cautious when you're feeling around because there could be objects there, and of course in the particular case of up north now they have twisted metal, jagged pieces of metal and rebar, which is metal enforcing bars that go into concrete roads, for instance.

NPR: River Poses Hazard for Dive Teams

The Pocket PC-based PPT 2700 series, for instance, can withstand multiple drops from a height of four feet to a concrete floor, and it is sealed against rain and dust.

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