Cream together Crisco and sugars by hand with a wooden spoon, or use heavy duty mixer.
Add eggs, one at a time, beating after each addition.
Stir in vanilla.
In a separate bowl, combine flour, oats, salt, baking soda and baking powder.
Gradually stir into creamed mixture.
Stir in chocolate chips.
Preheat oven to 375°.
Drop cookies by teaspoonfuls onto lightly greased cookie sheets. Bake for 6-8 minutes.
Let cool on sheets for 2-4 minutes before removing to wire racks.