Master the knowledge of the primary mechanical and electrical.

掌握初级机械和电力方面的知识。

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Bachelor or master degree in electrical mechanical industrial engineering physics chemistry or materials science.

电子，机械或工程，物理，化学或材料科学学士或硕士学位。

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Be priority if master the calibration and operation method of current metrology instruments in mechanical field.

掌握机械行业常用计量器具的校准及使用方法者优先。

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Ms. Burns earned a Bachelor of Science degree in mechanical engineering from Polytechnic Institute of NYU and a Master of Science degree in mechanical engineering from Columbia University.

WHITEHOUSE: The White House

Jumaring, or climbing fixed lines with mechanical ascenders, is another Big Wall skill you need to master to efficiently aid climb one I was still figuring out.

WSJ: Training for the Big Wall | By Michael J. Ybarra