TECHNOLOGY in

ECONOMY

Tractor• Invented by John Froelich in 1892 at Clayton County, Iowa, USA • It improves efficiency on a farm.• It has many electrical switches and levers in the cab for controlling the multitude of different functions.

Combine Harvester• Invented at USA by Hiram Moore in 1834• It harvests grain easily.• It has separate gas or diesel engines to power the grain separation and other operations.

Excavator• Invented by William Otis in 1835 at Massachusetts, USA.• It makes heavy construction operation made or done easily.•It uses of hydraulic fluid, be it with rams or motors.

Wind Turbine• Invented by Charles F. Brush in 1888 at Cleveland Ohio.• It promotes cost-effective energy production.•It has wind generators which generates electricity in wind

Pump Jack• Invented by Bert Gerard Goble in early 1900’s at Tulsa Oklahoma• It makes production of oil faster.• It has a rotary mechanism/walking beam which converts the motor to a vertical reciprocating motion to drive the pump shaft.

THAT’S ALL…THANK YOU for LISTENING…!!!

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