What is hard water?

is my water hard or soft

Hard water is caused by high levels of dissolved minerals, primarily calcium and magnesium, in the water. 
Water picks up these minerals as they pass through rock formations, such as limestone or gypsum, which are rich in calcium and magnesium.

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Quality Control in Engineering Designs

Engineers working in design know that quality control places significant demands on their work. From pipe sizing to pressure calculations, engineers must be able to quickly deliver quality systems that are accurate, compliant, and work for the client’s needs.

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