Perhaps the most common vehicle of contamination in the food industry is

Perhaps the most common vehicle of contamination in the food industry is hands.

Hands are the most common vehicle of contamination in the food industry that allows the movement of organisms from one place or object to another. Also, the most commonly used utensil when preparing food is hands. Proper washing of hands regularly by food handlers is very essential because it will reduce the spread of diseases. Food handlers can also use disposable gloves when preparing or handling food, but the gloves must also be changed regularly.

not sure if this what   you'r looking for would be percent composition

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.