Building and construction services; demolition of buildings; building and property development, including residential, commercial and retail property development; building cleaning, maintenance and repair; building insulation; building sealing; cabinet making; rental of construction equipment; rental of excavators; elevator installation and repair; factory construction; harbour construction; machinery cleaning, installation, maintenance and repair; painting; pier breakwater building; pipeline construction, maintenance and repair; plastering; plumbing; scaffolding; underwater construction; warehouse construction and repair; property development services, including the development of industrial and technology parks; development of residential property; project management; civil and other engineering services in this class