Calculate the five day BOD value using the following facts: a) quantity of the BOD bottle = 300 mL b) quantity of wastewater in the bottle= 10 mL c) DO drop in the clean bottle= 1.0 mg/L d) DO drop inside the pattern bottle in a five day incubation-five.2 mg/L

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Fire Place Construction and Layout

A fireplace is a chamber, made of different materials usually constructed to contain the fire for various applications. A fireplace is often known as a hearth. Fireplaces can be made of bricks, steel, stone, and concrete. Fireplaces serve as room heaters for cold areas and vary in design and heat efficiency.