public IncidentsController(FactoryManagerContext db)
 {
     _db = db;
 }
 public EngineersController(FactoryManagerContext db)
 {
     _db = db;
 }
 public LocationsController(FactoryManagerContext db)
 {
     _db = db;
 }
 public MachinesController(FactoryManagerContext db)
 {
     _db = db;
 }