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An average commercial steel building costs between $16 and $20 per square foot, including building package (I-Beams, purlins, girts etc.) , delivery, foundation and the cost of construction.

Whether you choose a soap or a bottle, many body cleansers may all have the same effect. These products remove dirt, bacteria, and unfortunately  some or all of your natural body oils. Most soaps and body washes remove the oils that keep skin soft and naturally moisturized.

There is no significant difference between body wash and hand soap other than fragrances, both are basically detergents. It's just a marketing ploy so you spend more money.

It was not until 1880 that an era of construction based on reliable mild steel began. By that date the quality of steels being produced had become reasonably consistent. The Home Insurance Building, completed in 1885, was the first to use skeleton frame construction, relying on its masonry cladding for stability.

Wrought iron was actually "wrought" (i.e. worked or hammered) into bars and has been used as a construction material for thousands of years. Most metals used for construction purposes are alloys. For example, steel is an alloy with iron and carbon being the primary elements.