The Manual Screw Press for Small-Scale Oil Extraction

ISBN-13: 9781853391989 / Angielski / Miękka / 1995 / 72 str.

Kathryn H. Potts; Keith Machell

Opis

Vegetable oil is the richest source of food energy, providing twice as much energy as the same quantity of carbohydrate or protein. In areas where peanuts (groundnuts) or other soft oil-seeds are cultivated, manual oil extraction using a screw press can be a viable enterprise for small businesses.