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.
Usually a fire extinguisher that contains dry chemicals is rated for multiple kinds of fires. Extinguishers filled with water can be used only for Class A fires, while carbon dioxide extinguishers are used for Class B and Class C fires.