technician or engineer working on a valve on building technical equipment or industrial site
for several cranes on a building construction site for building or public works
Construction worker in construction machinery hand shake with engineer to welcome on construction site
Bricklayer with tool at a construction site, focus is on the tool!
for several cranes on a building construction site for building or public works
construction workers to work for the construction industry of a dwelling
several people representatives woman, workman, couple, man, dog and building site
signing a contract for the construction of residential housing construction and background of blue sky
Two construction workers standing in a construction site in front of a brick wall. Their are wearing ear protection and having the thumps up
various construction workers to work for the construction of residential housing in a city
Construction site worker building a home or house doing bricklaying work on the walls of the shell
workers near foundation and root structure of new building
Chinese architect and supervisor on a construction site
Construction worker and engineer on site discussing blueprints on pad or tablet computer, excavator and other construction machinery in background
Builder or driver standing in front of construction machinery on building site
Chinese architect and supervisor point on building site on a construction plan
various construction workers to work for the construction of residential housing in a city
Indonesian Asian builder or construction worker with helmet and tool belt sitting on tool box
Concrete pouring works during commercial concreting floors; laborer compacting liquid cement into reinforcement form work
Asian builder or technicians or engineers on technical equipment or industrial site
construction worker on a building site close a wood box or cargo container with hammer and nail
Two construction workers standing in a construction site in front of a brick wall. Their are wearing ear protection and having the thumps up