Redundant and self-monitoring fault detection systems. Redundant or dual systems (doubling up) and self-monitoring fault detection systems are also effective methods to prevent failure of critical safety systems. Selection and installation of these types of complex interactive control measures may require expert or specialist assistance.
People providing cleaning services could: • work alone • access machinery and equipment from the rear or sides, or in unexpected ways • climb on machinery and equipment • enter confined spaces, or larger machinery and equipment • become trapped by the mechanism of the machinery and equipment through poor isolation of energy sources or stored energy, such as spring-loaded or counter-balance mechanisms, compressed air or fluids, or parts held in position by hydraulics or pneumatic (air) rams • work with chemicals • operate electrical equipment in wet areas.
A tool generally is any physical item that can be used to achieve a goal, especially if the item is not consumed in the process. Informally, it also describes a procedure or process with a specific purpose.
Equipments basically serve as tools, essential for the mechanical needs, to repair a machine. They are the most important items that have enabled the ancient humans to climb to the top of the food chain. They are things which help in the acquirement of any desired substance.