1. What is the work hardening program? Which objectives it should fulfil to improve employee’s capacity to complete a specific task safely? (5 Points)2. What are the main risk factors for falls in retail operations? How they can be prevented. (minimum 300 words – 6 Points)3. State and explain personal and environmental factors that affect physical work (minimum 300 words- 6 Points)4.Summarize the important points you learned in this class and how you will incorporate them in your daily routine.(minimum 300 words- 3 Points)