"A Mexican-born employee of Hanson Pipe & Products, at Grand Prairie, Texas, USA...They are inspcting the inner-surfaces and tongue and groove seals of the horizontal pipes wearing obligatory hard hats and corporate blue shirts. Precast concrete is made from a reusable mold or ""form"" and cured in a controlled environment, then transported to the construction site and lifted into place. Used in the construction of commercial building components, bridges, manholes and retaining walls, these products are the strongest pipe available, designed and plant tested to resist any load required with a design life of 70-100 years. ..."
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