Vietnam´s Ministry of Transport has launched a project to build a tunnel through the Ca Mountain. For this, the ministry deployed the Genie GTHTM-844 telehandler and two Genie ZTM-45/25 booms which enabled the workers to install each air duct within five days. Furthermore, only four workers were needed on the booms and one on the telehandler to carry out the operations. The machines were selected on the basis of their versatility in tight space, productivity and safety. GTH-844 was used to lift the air ducts, while Z-45/25 was used to lift workers to the appropriate heights.