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 most commonly used and affordable fire extinguishers are the water fire extinguishers. They can extinguish flammable solid fires of paper and wood, which are categorized under class A fires. Additives can be added to water extinguishers to boost their fire rating and help them combat fires better.