If you want to imitate a helical gear or manufacture gear spare parts, it needs to measure and draw following a gear sample.

为按斜齿轮样品仿造或制造配件，常需进行测绘。

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Direct manufacturers, the production of various specifications CG change gear shaft, GY6 start shaft, undertake to sample (photo) customized!

厂家直销，生产各种规格CG变档轴，GY 6启动轴，承接来样(图)定做！

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But a few restaurants and cafes throughout the city do serve mate for visitors who want a sample, or for Argentines who are craving it and left their mate gear at home.

BBC: Drinking mate in Buenos Aires