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 software that creates a modern, computer based safety management system. ZeraWare is an easy and cost effective way to establish a sound safety program and achieve a strong safety culture. Our safety software gives management the ability to better control the causes of accidents and prevent employee injuries.