How do they do it? Bic Cristal Ballpoint Pen

توضیحات:

Watch how the famous BIC Cristal ballpoint pen is made. The pen has a tungsten carbide ball and can write for over 2000 metres. Very interesting as to how mu...

لغات کلیدی:

BIC, How, the, Cristal, Ballpoint, pen, is, Made

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