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.
Certificate in Safety Management (CSM). The success of a company depends on how well management effectively communicates safety through various organizational structures. To help connect the dots between business objectives and safety management, ASSE has developed the Certificate in Safety Management.ertificate in Safety Management (CSM). The success of a company depends on how well management effectively communicates safety through various organizational structures. To help connect the dots between business objectives and safety management, ASSE has developed the Certificate in Safety Management.