The raw material is a breathing shell, a half-breathing shell, an open shell or mixture thereof.

For the price of a half ton bakkie you get a full ton.

She cackles as she sails across the heavens in the half-shell of her own broken heart.

One or more tubular heaters are coiled into a cylindrical or half-cylinder shape and cast into bronze or aluminium.

One or more shielded elements are cylinder-shaped or half-shell shaped and then overmolded with aluminum or bronze.

They can be used in a variety of recipes from soups and chowders, and even eaten raw on the half shell.