A.10%
B.15%
C.20%
D.25%
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A.dozens
B.parcels
C.bundles
D.gallons
A.water cooling
B.oil cooling
C.air cooling
D.combined cooling
A.conflict
B.accord
C.harmonize
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A.metering
B.control
C.using
D.timing
A.shockless
B.smokeless
C.no vibration
D.noiseless
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