Image: Kaolinite mineral structure. Since the earliest times, humankind has had a close association with clay. From use as a building material, in pottery, for treating human digestive ailments to a multitude of industrial uses, clay is a key ingredient in the material world we live in. mineral is a naturally occurring crystalline material that has a specific or limited range of chemical compositions. Clay minerals have a sheet-like structure and are composed of mainly tetrahedrally arranged silicate and octahedrally arranged aluminate groups.
Civil Contractors is a privately owned company operating in South East Queensland since June 1994. Based at Rocklea, our work covers a range of projects in the civil contracting industry, much of which has been in subdivisions where we have built a loyal client base.
Framing contractors are an integral part of the construction industry. As their title suggests, theyâre responsible for erecting the frame of residential and commercial structures. Some framing contractors build only with dimensional lumber; others offer only steel framing, and a few framing contractors provide both.