37 Advisory services in relation to construction, construction materials and fittings, construction location, construction structure and engineering, and building maintenance and repair, all such services being in relation to portable (relocatable) and fixed (permanent) buildings, structures and units (including modular buildings, structures and units, and prefabricated buildings, structures and units); construction of portable (relocatable) and fixed (permanent) buildings, structures and units (including modular buildings, structures and units, and prefabricated buildings, structures and units), including erection of prefabricated buildings, structures and units; supervision of the construction or erection of portable (relocatable) and fixed (permanent) buildings, structures and units (including modular buildings, structures and units, and prefabricated buildings, structures and units); construction project management; installation of fittings within, interior refurbishment of, and painting and decoration of, portable (relocatable) and fixed (permanent) buildings, structures and units (including modular buildings, structures and units, and prefabricated buildings, structures and units); hire of construction apparatus; hire of construction equipment; hire of construction machinery