When "weigh master" is used without qualification, it typically includes:

The term "weigh master," when used without any specific qualifiers, generally refers to a collective designation for all individuals authorized to perform weighing functions, which encompasses both principal weigh masters and deputy weigh masters. This collective nature implies that the role is not limited to just a single individual or category but rather encompasses the entire group of certified personnel who operate under that title.

In the context of weight verification, all weigh masters are expected to adhere to established guidelines and standards to ensure the accuracy and reliability of weight measurements. The inclusivity of the term reflects the organizational structure and responsibilities shared among individuals in this profession, which contributes to maintaining compliance with legal and regulatory requirements in weighing operations.

Therefore, identifying the correct answer involves recognizing that it encompasses all individuals serving as weigh masters, highlighting their collaborative role in ensuring proper weight verification practices.