1. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.infectious agent, infective agent-an agent capable of producing infection. Translations.. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.
Agricultural Tools. The Agricultural Tools ClipArt gallery offers 195 illustrations of hand tools such as plows, pitchforks, insecticide sprayers, rakes, and rollers.
The tools that appear on this page were sent by viewers of this website. Many have not yet been identified. If you know what they are, thenplease make contact! 1000. Anne Coyle (UK) sent the picture below. Simon Davis (Surrey UK) states that this is not a farm tool, it is a butcher's carcass stretcher used when butchering pigs. The y-shaped ends act as a rib cage expander.