Why is it important to provide health and safety training to employees?

1- Why is it important to provide health and safety training to employees?
How would the training on health and safety benefit the business?
And what training methods would you choose to implement that. (longer paragraph) and give example

2- What is the Needs Analysis and why is it important form HR point of view?

3- Instructional systems design model (what is it and how does it work)? Longer paragraph

4- How do you create a positive learning climate? (short paragraph) give example

5- What is Learning Objective, and why do we need to do it?(short paragraph )

6- Why do we need to make a lesson plan before the training? (short paragraph)