If it is a meter or more thick, however,blue light often can be seen.

VOA: special.2010.01.05

They provide insight to what is actually going on within the company, and allow employees to breakthrough the often thick glass walls of organizational silos.

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Committee members lectured the scientists, throwing out bad science claims, often disguised as questions, thick and fast.

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Ari Seth Cohen is a 29-year-old photographer who often dons chunky cardigans, thick brown glasses and green velvet bow ties for his morning walk-about.

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