Steam Engine
An engine that converts the heat energy of pressurized steam into mechanical energy,
especially one in which steam drives a piston in a closed cylinder.
Fertilizer
Any of a large number of natural and synthetic materials, including manure and nitrgen, phosphorus,
and potassium compounds, spread on or worked into soil to increase its capacity
to support plant growth.
Herbicide
A chemical substance used to destroy or inhibit the growth of plants, especially weeds.
Co-op
A cooerative.
1) Done in cooperation with others: a cooerative effort.
2) Marked by willingness to cooperate; a complaint: a cooerative patient.
3) Of, relating to, or formed as an enterprise or organization jointly owned or
managed by those who use its facilities or services: a cooperative department store;
cooperative apartment buildings.
Lubrication
An application of a lubricant to something.
Maintenance
1) The act of maintaining or the state of being maintained.
2) The work of keeping something in proper condition; upkeep.
Global Positioning System
abbr: GPS
A system of satelites, computers, and receivers that is able to determine the lattitude
and longitude of a receiver on Earth by calculating the time difference for signals
from different satellites to reach the receiver.
Comments or questions, please e-mail us at:sdsu_agmuseum@sdstate.edu