If there is a greasy liquid to throw away, add to it a teaspoonful or more of washing powder, and let it stand a time.
Rub greasy dishes with soft paper, and put water and ammonia or washing powder into utensils that need soaking.
And Uncle Wiggily did, with a cake of soap for a gun and washing powder to fire with.
But even under these circumstances, a moderate use of washing powder is general in laundry work.
After each feeding they should be thoroughly washed with soap or washing powder.
If you were bringing out a new soap or washing powder, where would you advertise?