Materials and Construction
Containers made of high silicon cast iron (14% Si) are not suitable for the storage of

Phosphoric acid (95%) & sulphuric acid (95%)
Hydrochloric acid (concentrated)
Acetic acid
Benzoic & boric acids

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Materials and Construction
Lead is

Not used as pigment (in its compound forms) for paints
Used as a cathodic material
Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings
Not resistant to corrosion

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