Senior civil engineers oversee the design and building of large construction projects, including roads, railways, airports, bridges, dams, sewerage systems,
A plumber is a tradesperson who specializes in installing and maintaining systems used for potable water, and for sewage and drainage in plumbing systems.
An SSHO is required to be on site at all times when work is being performed and is responsible for managing, implementing, and enforcing the contractors' environmental safety training and health programs,
Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc.
