Smart construction safety in road repairing works

Similar to many construction works on sites, road repairing workers often have higher safety risks as compared to other industries in Hong Kong. Some of the careless drivers hit the workers who were repairing road accidentally. Besides, as workers often work under hot sunshine for a couple of hours, some of them have accidents due to poor health and heat stress. In this article, we propose to use Internet of Things, robot / robotic arm to alleviate the problem. It also provides useful information on global popularity of these tools with the help from big data.