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In almost all cases, current rescue operations involve the use of ladders, ropes, and rescuers climbing up floors. Alternatively, emergency services (e.g., fire brigades) are alerted.
In case of an accident that requires evacuation, special rescue workers are alerted. Once they arrive, they need to plan the evacuation and use ropes and ladders to carry out the evacuation. Construction works is often halted which carries high costs for the contractor.