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.
Implications of Safety Management System. The purpose of SMS is to support a move away from regulatory that specify criteria that should be adhered to, towards performance-based regulations which describe objectives and allow each regulated entity to develop its own system for achieving the objectives.