In reactive pad dyeing process, problems always occur during operation, including tailing, color variation and poor color fastness.

在活性染料连续轧染生产中，经常会产生头尾色差、色光波动以及色牢度差等问题。

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QR codes , which look something like a TV with poor reception, or perhaps an alien landing pad.

码，看起来像电视接收不良的东西，或者外来的停机坪。

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Back in 2003, a guy in Colorado named Matthew Cole cut out a giant square hole in his living room floor, sunk in a hot tub and turned his modest bachelor pad into a magnificent poor man's grotto.

CNN: Apparently This Matters: Hot tub time