Final answer:
The NYC Health Code requires all food workers to wear gloves and hairnets.
Step-by-step explanation:
The answer to the question is a) Gloves and hairnets. According to the NYC Health Code, all food workers are required to wear gloves to prevent cross-contamination and hairnets to prevent hair from falling into the food. These measures help ensure food safety and prevent the spread of pathogens. Gloves provide a barrier between the food and the worker's hands, reducing the risk of transmitting bacteria or viruses.