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Different mechanisms give different types of motion: levers and linkages give linear motion; cams, cranks, and pistons give reciprocating motion; steering wheels, swings, and pendulums give oscillating motion; and wheels, pulleys, and gears give rotary motion.
The white star is a symbol of hope and national purity. Green stands for agriculture. Yellow symbolizes mineral wealth. Effective date: 27 April 1960.
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