Removing ink stains caused by biros, fountain pens and artist's ink from clothing is not an easy task but it is doable.

要除去圆珠笔、钢笔、美术作品墨水留下的污渍，可不是那么容易的事，却也可行。

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Excellent writing property: the colored coating is suitable for pencils, pens and other writing instruments, easy to write and suitable for various automatic coding machines.

优异的书写性：彩色涂层适合铅笔、钢笔等各种书写工具轻松书写，适台各种类型的自动打码机。

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A new multi-circuit test pens has simple structure, easy installation, small size and easy to carry, strong function and versatile.

新型多用途电路测试笔，结构简单、安装调试容易，体积小巧，携带方便，功能强、用途广泛。

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"Counterfeit banknote detection pens are available at low cost, and are easy to use, " he added.

BBC: Counterfeit notes warning for East Lothian shopkeepers