Considering the fact that the data indicate the increased risk of injuries compared to the average for the transfer works, loading and unloading, earthworks, demolition and disassembly, praparation works and site cleaning, i.e. those that do not require professional training, it is possible to conclude that the training for the safety at work is necessary for these types of works as well, although they are primarily regarded as “ physical” work. Also, a conclusion can be drawn that after the first 5 years of working this regularity does not apply any more (for all types of observed works), which implies the importance of continuous training and work control, in order to ensure safety in performing work operations.