Revolutionary Active Lite cooking with a combination of unique cast technology and the patented Active Lite lid innovation for a perfect taste experience. Woll Active Lite – Perfection. Pronto. The Diamond Active Lite is excellent for gentle cooking with a lid. This minimizes steam loss. Vegetables, meat, and fish retain their specific aroma, shape, and color. Vitamins and trace elements are preserved. This healthy cooking method is comparable to regular steaming.