I love your videos. please make video on interview questions for safety officer for shutdown project. please make videos on Hydro Jetting, sandblasting, Vacuum Trucks, chemical cleaning, Non Destructive Testing, Hot bolting. also cover safety precautions for Pumps, Compressors, Pressure vessels, Storage tanks, Silos, Boilers, Furnaces, Cooling towers, heat exchangers, Piping systems, Motors, Reactors, Distillation Columns, filters, Electrical switchgear, and Control systems during a shutdown.