When excess fluid enters this space, it compresses the lungs so that they cannot fully expand and results in impaired breathing. It must be emphasized that a pleural effusion involves fluid on the outside or surrounding the lungs, not within the lung tissues. Fluid accumulation within the lungs is generally called pulmonary edema.
Type K fire extinguishers are recommended to extinguish kitchen fires involving oils and grease, and all commercial kitchens with commercial cooking system hoods and fire suppression systems should have a type K fire extinguisher.
Class C: The Class C extinguisher is designed for electrical fires. Electrical fires can be caused by appliances, overloaded outlets, circuitry boards, or other electrical components. In this type of fire, the electrical current is the fuel source, and until it is cut off the fire may continue to burn.