Explain the challenges related Pontcanna Weir hydraulic turbine to the life of the workers.

Write only about construction accidents, basing your arguments on the mechanical turbines and the lack of care taking in the industries.

Are there any side effects of working in the industries after a long time exposure to the turbines and the reactions that take place in the turbines.

What are the possible careful measures that can be taken to prevent the occurrence of the accidents.