Ready-to-eat foods are foods such as sandwiches, tacos, and salads that are not cooked after final preparation. Why should food workers use scoops, tongs or gloves to prepare ready-to-eat foods?

It is a fastest method in a production environment.
Because customers do not like to see workers touch the food.
To keep hands from smelling bad.
To keep germs on bare hands from getting onto the food.