Final answer:
Illnesses from contact with workplace products or ingredients are classified as occupational diseases, with potential for varied forms such as foodborne disease and pesticide illnesses depending on exposure levels.
Step-by-step explanation:
Illnesses resulting from contact with products or ingredients in the workplace fall into the category of occupational diseases or work-related illnesses. Exposure to harmful substances can manifest in various ways, including foodborne disease, skin infections, respiratory conditions, and other health issues depending on the nature of the substance and exposure level. This can often be seen with agricultural workers who are at increased risk for pesticide illnesses through inhalation of fumes, especially in environments with poor ventilation. Similarly, retail workers, emergency responders, and flight attendants dealing with pesticides may also be at risk for such illnesses. Different job functions lead to varying exposure levels, and most occupational exposures are caused by absorption through exposed skin or by inhalation during spraying operations in closed environments.