Gas Detectors For Maintenance Workers in Towers The BACKGROUND The maintenance, installation and revamping of process equipment for towers and vessels require complete internal and tray inspections, tray cleaning, welding and any necessary repairs including hardware replacement. To provide customers with high-quality services, projects must be delivered safely. A tower can be defined as a confined space “as the previous contents or chemicals used in a previous activity in the space, indicate that the atmosphere might be contaminated or to any extent unsafe to breathe”. The CHALLENGE a1-cbiss were approached by a large chemical company to supply up to 700 personal four gas detectors to various sites as part of a multi-national project. The gas detectors would be used to protect workers as t

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