"reduction" - key terms from Wikipedia

arms reduction
carbon pollution reduction	scheme
debt reduction
defense threat reduction	agency
deficit reduction
dimensionality reduction
disaster reduction
disaster risk reduction
dolby noise reduction
dose reduction
dust reduction
emission reduction
emission reduction	commitments
emissions reduction
fat reduction
harm reduction
immigration reduction
lithic reduction
noise reduction
noise reduction	system
nonlinear dimensionality reduction
objective reduction
poverty reduction
poverty reduction	strategy
reduction
reduction	formula
reduction	gear
reduction	of statelessness
reduction	potential
reduction	ratio
risk reduction
select committee on deficit reduction
selective catalytic reduction
selective reduction
sight reduction
sound reduction	index
source reduction
standard reduction	potential
strength reduction
stress reduction
sulfate reduction
threat reduction
transitive reduction
turing reduction
uncertainty reduction
uncertainty reduction	theory
variance reduction
vowel reduction
waste reduction
weight reduction