has ability has skill has job zone active listening critical thinking monitoring operation monitoring social perceptiveness speaking occupation holder with job zone 2 control precision depth perception problem sensitivity speech clarity speech recognition written expression bridge or lock tender (broad) bridge or lock tender 2 Control Precision Social Perceptiveness Problem Sensitivity Written Expression Critical Thinking Bridge and Lock Tenders Sam Smith Speaking Depth Perception Oliver He Active Listening https://www.bls.gov/oes/current/oes536011.htm Monitoring Speech Recognition Operate and tend bridges, canal locks, and lighthouses to permit marine passage on inland waterways, near shores, and at danger points in waterway passages. May supervise such operations. Includes drawbridge operators, lock operators, and slip bridge operators. Operation Monitoring 53-6011.00 Speech Clarity