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 safety program management function of the US Army is designed  to help ensure that there are no accidents. One way in which  employees can support this safety program isâ¦ by knowing various  forms of safety measures that can be taken. These safety measures  are outlined in many safety brochures and handouts.