Web performance expert Steve Tack says retailers have worked hard to deliver an online shopping season free of the website crashes and technical problems common in previous years.

网络表现专家Steve Tack表示零售商们都努力让在线购物季不会受到网络崩溃和技术问题的影响。而这两件事在往年还是很常见的。

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Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.

通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。

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This product is a specialized polyolefin mesh that is coated with a high tack residue-free adhesive on both sides.

这产品防静电粘性网双面涂布了高粘度粘胶剂。

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And when products finally become obsolete, Greenpeace wants companies to provide free, convenient tack-back programs in all countries where their products are sold.

FORBES: How Green Are Your Gadgets?