A professional engineer holding professional engineer certificates of different engineering branches may engage in different branches of professional practices in the same firm.

其持有不同科别之技师证书者，得在同一执业机构执行不同之技师业务。

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The practices that professional medical writers follow involve far more than just disclosure!

FORBES: A Defense of Professional Medical Writers

The teacher evaluation system (TEVAL) has student learning, instructional practices, and professional values as its core components.

WHITEHOUSE: Collaboration, Not Confrontation

"The ITA represents reputable small businesses throughout the U.S. that already adhere to the highest professional standards including good manufacturing practices, " the group said.

CNN: Indoor tanning industry under scrutiny