In medicine, nail clubbing (also known as drumstick fingers and watch-glass nails) is a deformity of the fingers and fingernails associated with a number of diseases, mostly of the heart and lungs.
Safety Connect Australia. Safety Connect is a sophisticated safety management system. Managed by dedicated staff, the system ensures Electricians Today Electrical Contractors will always operate within the law and its ever-changing legislation.
The use of barriers and isolators. In Intrinsically safe circuits, a safety barrier is used between the safe area and the hazardous area, so that any fault that generates a high energy level (and sparks), would not get carried over to the hazardous area; it gets stopped at the safety barrier itself.