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A huller (or sometimes called a rice husker) is an agricultural machine
Agricultural machinery

Agricultural machinery is one of the most revolutionary and impactful applications of modern technology. The truly elemental human need for food has often driven the development of technology and machines....
 used to automate the process of removing the chaff and the outer husk
Husk

Husk in botany is the outer shell or coating of a seed....
s of rice
Rice

Rice is a staple food for a large part of the world's human population, especially in tropical Latin America, and East Asia, South Asia and Southeast Asia, making it the second-most consumed cereal grain, after maize....
 grain. Throughout history, there have been numerous techniques to hull rice, but in modern times a huller, or rice huller is the most widely used method, particularly in Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
.








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A huller (or sometimes called a rice husker) is an agricultural machine
Agricultural machinery

Agricultural machinery is one of the most revolutionary and impactful applications of modern technology. The truly elemental human need for food has often driven the development of technology and machines....
 used to automate the process of removing the chaff and the outer husk
Husk

Husk in botany is the outer shell or coating of a seed....
s of rice
Rice

Rice is a staple food for a large part of the world's human population, especially in tropical Latin America, and East Asia, South Asia and Southeast Asia, making it the second-most consumed cereal grain, after maize....
 grain. Throughout history, there have been numerous techniques to hull rice, but in modern times a huller, or rice huller is the most widely used method, particularly in Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
.

Types of Hullers

  • Rotary huller
This type of the machine gets the brown rice in good quality by a cylindrical sieve set inside the body.
  • Swing huller
By swinging a set of sieves, it separates the brown rice.
  • Mangoku-shiki huller
"Mangoku", sometimes called "Elec-Huller", was first developed during the Edo period
Edo period

The , or , is a division of History of Japan running from 1603 to 1868. The period marks the governance of the Edo or Tokugawa shogunate, which was officially established in 1603 by the first Edo shogun Tokugawa Ieyasu....
 of Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
 and is still the most efficient way of grading harvested rice.


The most modern hullers are driven a motor, usually gasoline or electric
Electric motor

An electric motor uses electrical energy to produce mechanical energy, nearly always by the interaction of magnetic fields and current-carrying conductors....
, and are fully automated, computer controlled food processing systems.