construction safety Accident prevention 1 Accidents 1 Construction equipment 1 Construction industry 1 Construction safety 1 Construction site 1 Construction sites 1 Convolution 1 Convolutional Neural Network 1 Convolutional neural network 1 Convolutional neural networks 1 Doppler effect 1 Hazards 1 High rate 1 High-frequency sounds 1 Industry experience 1 Near-misses 1 Safety management 1 Strike-by accident 1 Workers' 1 high-frequency sound 1 risk factors 1 small & medium-scale contractors 1 struck-by accident 1 tower cranes 1