Stone chisels are used to carve or cut stone, bricks or concrete slabs. Some parking garages are constructed using structural steel columns and reinforced concrete slabs. They are built of large slabs of slate and granite. He covered the walls with huge slabs of African red granite. They are made from stone slabs or pieces of wood. The monument is tall, made from six granite slabs weighing in all. Many are lined with flat sandstone slabs. The caldarium was covered with marble slabs. Jointing varies little from other concrete slabs. The third barrier consists of is two concrete slabs. Under the concrete slabs, supply systems and parking lots were to be built. The arch is built in limestone covered by "opus quadratum" of Parian marble slabs. Some of the earliest examples of concrete slabs were built by Roman engineers. One of the most common applications for unreinforced slabs is in concrete roads. The team intends to etch warnings and informational messages into the granite slabs and pillars.