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.
The NAES Safe program augments our comprehensive Safety Management System (SMS), which provides the tools to integrate safety into work planning and execution throughout the organization: A Safety Policy that sets forth vision and values;