Lung cancer is the most common cause of clubbing. Clubbing often occurs in heart and lung diseases that reduce the amount of oxygen in the blood. These may include: 1  Heart defects that are present at birth (congenital).
What is a safety management system (SMS)? A safety management system is a systematic approach to managing safety, including organisational structures, accountabilities, policies and procedures.
Safety Management Systems. A safety and health system for your business. As an employer, it is your responsibility to maintain a safe and healthy workplace. A safety and health management system, or safety program, can help you focus your efforts at improving your work environment.