•Search the BLS, OSHA, and CPWR websites to find out everything you can about the employment and safety issues related to that trade over the last 5-10 years.
•NAISC code, employment, labor composition
•Fatal and non fatal incidents and rates over the last 5-10 years.
• (a) for the US and (b) for California
•Main causes of fatal and non fatal incidents.
•Ergonomic injuries and Muscoloskeletal disorders
•Key safety issues and challenges for the trade.
Here is the link that I found for a search tool which can help to get incident numbers: https://data.bls.gov/gqt/InitialPage