Accidents Accident prevention 10 Risk assessment 6 Workers' 4 Construction industry 3 Decision making 3 Energy efficiency 3 Floodings 3 Floods 3 Hazards 3 Heavy equipment 3 Industrial sites 3 Industrial wireless sensor network 3 Industrial wireless sensors 3 K-means clustering 3 K-means++ clustering 3 Large-scales 3 Local flooding 3 Major accidents 3 Multicasting 3 Occupational risks 3 Onsite safety system 3 Process industries 3 Risk analysis 3 Wireless sensor networks 3 industrial wireless sensor networks (IWSNs) 3 k-means clustering 3 local flooding 3 multicasting 3 onsite safety system 3