Demonstration should include

laboratory safety procedures
chemical safety procedures, including proper storage, as related to pesticides, fertilizers, paints, solvents, and other chemical agents in the agriculture lab
safe operational procedures/practices for applicable agricultural equipment (e.g., stationary and portable hand/power tools, lawn care tools, mowers, sprayers, other related equipment)
lab organization procedures.

Process/Skill Questions:

Why is safety important?
Why are there safety procedures and guidelines for the agriculture industry?
What are the proper operational and safety procedures for various agricultural equipment?
Why is it important to know how to operate equipment in the horticulture industry?
What are storage issues one might encounter in horticulture?
Why is lab organization important?
What is the daily routine for lab maintenance?
What types of accidents could occur in the lab due to lack of organization?