Pork with whites

2 lbs lean pork chops 2 tablespoons oyster sauce 2 teaspoons ham soup base 12 cups water 5 potatoes (thinly sliced) 5 carrots (thinly sliced) 4 cups celery[...]

2 carrots (peeled and sliced) 2 celery ribs (chopped) 1 leek (split,wash and chopped- white and light green part) 10 ounces mild Rotel Tomatoes 14 1/2 ounces[...]