37 Construction consultation; Construction of installations for concerts, sports, trade shows, and theatrical productions; Inspection services in the course of construction of permanent installations for concerts, sports, trade shows, and theatrical productions; Installation of lighting, sound, video displays, and scenic elements of concerts, sports, trade shows, and theatrical events; Lighting apparatus installation; Rental of building equipment; Rental of building scaffolds, working and building platforms; Rental of construction equipment; Rental of construction machines and apparatus; Rental of construction and building equipment; Technical consultation in the field of installation of lighting apparatus, lighting instruments and lighting systems; Advisory services relating to the installation of lighting apparatus; Technical support services, namely, technical advice related to the installation of lighting, sound, video displays, and scenic elements of concerts, sports, trade shows, and theatrical events