•Hot works such as welding, grinding
flame cutting, cooking or use of incinerators
•Friction from drive belts or metal tools striking each other - anything that can produce sparks
•Faulty electrical appliances
•Hot surfaces (any equipment that heats up, including heaters, boilers, cooking equipment, lighting equipment)
•Static electricity
•Matches, cigarettes, lighters and other smoking materials
•Open Flames
•Arson
•Machinery
•Obstruction of equipment ventilation