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.
The ingredients in each type of fire extinguisher dictate the type of fire it puts out. Every fire extinguisher has a color-coded label that indicates the class of fire for which it is intended. Class A fire extinguishers are used with ordinary combustibles such as wood, paper and cloth.