Recycled cardboard is used to make the core of corrugated cardboard. Containers must be clean. Add metal lids to your food can collection. It is not necessary to remove labels. No aerosol cans.
Recycled aluminum is used for cans, lawn furniture, foil, airplanes, automobiles, etc.
A clean gallon jug can be used. Do not mix with other liquids such as water, antifreeze, brake fluid, gasoline, paint thinner, or solvents. Most used oil is processed into fuel oil and lubricating oil. It is not necessary to drain your used oil filter. Used oil filters are crushed to remove the motor oil and then recycled into steel products.