An illustration of a girl sprinkling seeds.

Girl Sprinkling Seeds

An illustration of a girl sprinkling seeds.

An illustration of a white pig.

Pig

An illustration of a white pig.

Pig iron is the intermediate product of smelting iron ore with coke, usually with limestone as a flux. Pig iron has a very high carbon content, typically four percent, which makes it very brittle and not useful directly as a material except for limited applications.

Pig Iron Manufacturing Apparatus

Pig iron is the intermediate product of smelting iron ore with coke, usually with limestone as a flux.…

"A tall, gaunt hog with a very long body, pendent ears and a thick covering of bristles." — Encyclopedia Britanica, 1893

Sow of the Large English Breed

"A tall, gaunt hog with a very long body, pendent ears and a thick covering of bristles." — Encyclopedia…

Plowing is the initial cultivation of soil in preparation for sowing seed or planting. Pictured is a man plowing a field with a horse and plow.

Plowing

Plowing is the initial cultivation of soil in preparation for sowing seed or planting. Pictured is a…

"A terrestrial crustacean abundant everywhere under logs and stones during most of the year." —Davison, 1906

Sow Bug

"A terrestrial crustacean abundant everywhere under logs and stones during most of the year." —Davison,…