In A Skillet, Brown Pork Chops On Both Sides In Oil; Drain. Place Chops In A Slow Cooker. Add The Onion, Green Pepper And Mushrooms. In A Bowl, Combine The Tomato Sauce, Brown Sugar, Worcestershire Sauce, Vinegar And Salt. Pour Over Meat And Vegetables. Cover And Cook On Low For 4-5 Hours Or Until Meat Is Tender. Serve With Rice If Desired.