Questions

A rotameter is a flow meter that measures volumetric flow of liquids and gases.

1) If they use the same cutting board/counter to cut raw chicken, and other foods with out sanitizing in between. 

2) If they have a cold, flu, or pink eye and are handling food, coughing without covering their mouth, then washing their hands.

3) If they don't properly wash their vegetables.

4) Not storing foods at proper temperatures.

And so many other reasons for Food handlers can contaminate food.

Tempera paint is often used to create Sharp lines and details. This paint is popular in schools and can be used for finger painting.