[2] What trade focuses on the installation and repair of
concrete structures and foundations?
[3] What type of work involves the installation and
maintenance of electrical systems in buildings?
[8] What type of work involves the excavation and
preparation of construction sites?
[9] What trade involves the installation and maintenance of
f fixtures, such as sinks and toilets
[12] Which professionals are responsible for the design and
layout of plumbing and electrical systems in a building?
[13] What trade involves shaping and assembling structural
elements with wood?
[15] What trade involves the application of protective coatings
to surfaces, such as walls or steel structures?