A saw is a tool with a toothed blade used for cutting wood, metal, or other materials.

A level is used to check if a surface is horizontal (level) or vertical (plumb).

Copper is commonly used for electrical wiring due to its high conductivity and resistance to corrosion.

The foundation of a building transfers the weight of the structure to the ground and prevents it from sinking or settling.

Asphalt shingles are a popular roofing material due to their affordability, durability, and ease of installation.

Scaffolding is used to provide workers with safe access to higher levels of a building or structure.

Nails are commonly used as fasteners in construction due to their simplicity, low cost, and ease of installation.

Insulation is used in buildings to control the temperature by preventing heat transfer between the interior and exterior.

Portland cement concrete is the most widely used type of concrete in construction due to its strength, durability, and versatility.

A building permit is required to authorize the construction, alteration, or demolition of a building or structure.

Excavators are commonly used in construction for digging trenches, foundations, and other excavations.

A vapor barrier is used in buildings to prevent moisture from entering the structure and causing damage.

Slab-on-grade foundations are commonly used in construction due to their simplicity, cost-effectiveness, and resistance to moisture.

Building codes are regulations that ensure the structural safety and integrity of buildings and other structures.

Flat roofs are commonly used in commercial buildings due to their simplicity, cost-effectiveness, and ease of maintenance.