Which construction role is specifically responsible for constructing, repairing, and installing frameworks made of wood?

The role focused on constructing, repairing, and installing frameworks made of wood is specifically that of a carpenter. Carpenters possess the skills necessary to work with various types of wood, creating structures such as frameworks for buildings, cabinets, and furniture. Their expertise includes measuring, cutting, and shaping wood, as well as understanding building codes and safety regulations pertinent to woodworking.

In contrast, other roles listed, such as electricians, welders, and pipefitters, are specialized in different areas of construction. Electricians focus on the installation and maintenance of electrical systems, welders work with metal, joining pieces through the welding process, and pipefitters specialize in installing and repairing piping systems for various utilities. Each role plays a crucial part in the construction process, but the specific responsibility of working with wood frameworks distinctly identifies carpentry as the correct answer.