Nuts and Bolts

1 ½ cups margarine
8 cups Cheerios
5 cups Shreddies
2 ½ cups salted peanuts
4 cups pretzel sticks
1 T celery salt
1 tsp onion salt
1 T Worcestershire sauce
Melt margarine in large roaster. Add remaining ingredients and stir well. Bake in 200° oven for 1 ½ hours, stirring every ½ hour.