'Some fire extinguishers for fossil fuels use potassium compounds & are known as Purple this letter'
K
COMPOUNDS IN ACTION: Some fire extinguishers for fossil fuels use potassium compounds & are known as Purple this letter
Some fire extinguishers for fossil fuels use potassium compounds & are known as Purple this letter
Some fire extinguishers for fossil fuels use potassium compounds & are known as Purple this letter
COMPOUNDS IN ACTION
K
COMPOUNDS IN ACTION