three specific issues would you consider regarding the appropriateness of his current work situation

Mr. M. is a woodworker with a diagnosis of emphysema. What are three specific issues would you consider regarding the appropriateness of his current work situation? Please write in detail, in complete sentences referencing fully to our book with page numbers.
SOURCE:Falvo, D.R.(2013-14). Medical and Psychosocial Aspects of Chronic Illness and Disability. 5th Edition. Boston,MA: Jones and Bartlett Publishers. ALSO we will not be using any quotes