Final answer:
Received products without a supplier label should be labeled by the employer to maintain workplace safety and ensure regulatory compliance.
Step-by-step explanation:
Products that are received without a supplier label should be c. Labeled by the employer. This is an important practice in workplace safety to ensure that all materials are properly identified and that the corresponding safety information is available to those who handle them. Labeling products helps in risk management and the prevention of accidents, as it ensures that employees are informed about the substance or product they are dealing with, its potential hazards, and the necessary precautions to take. It is also vital for compliance with occupational health and safety regulations. Products that arrive unlabeled should never be used cautiously, discarded immediately, or reported to authorities before they are properly labeled and identified.