Answer:
A navigation form is simply a form that contains a Navigation Control. Navigation forms are a great addition to any desktop database. Microsoft Access offers several features for controlling how users navigate the database.
user input I think I'm not sure though
The "right to know" laws state that all chemicals be labeled, and that employees are made aware of the places that SDS (Safety Data Sheets) are posted. The SDS contains all the neccessary information about the chemicals, including care, storage, precautions, and uses.