iron: a strong, hard magnetic silvery-gray metal, the chemical element of atomic number 26, much used as a material for construction and manufacturing, especially in the form of steel.

gem: a precious or semiprecious stone, especially when cut and polished or engraved.

honey: a sweet, sticky yellowish-brown fluid made by bees and other insects from nectar collected from flowers.

leather: a material made from the skin of an animal by tanning or a similar process.

silk:a fine, strong, soft lustrous fibre produced by silkworms in making cocoons and collected to make thread and fabric. Silk is also spun by some insect larvae and by most spiders

corn: a North American cereal plant that yields large grains, or kernels, set in rows on a cob. Its many varieties yield numerous products, highly valued for both human and livestock consumption.

leather: a material made from the skin of an animal by tanning or a similar process.

crude oil:unrefined petroleum.

wool: the fine, soft curly or wavy hair forming the coat of a sheep, goat, or similar animal, especially when shorn and prepared for use in making cloth or yarn.

Squash: The winter squash is an annual fruit that represents several species of squash in the genus Cucurbita.

timber :wood prepared for use in building and carpentry

animal products: An animal product is any material derived from the body of an animal.