"reduction" - key terms from Wikipedia

amount of gain reduction
birch reduction
carbon reduction
contrast reduction
cx noise reduction
dimensional reduction
disaster reduction
dosage reduction
dose reduction
dramatic reduction
dust reduction
emission reduction
emissions reduction
gain reduction
greenhouse gas reduction
harm reduction
immigration reduction
load reduction	signals
noise reduction
noise reduction	system
open reduction
phenomenological reduction
pipeline reduction
poverty reduction
previous reduction
reduction
reduction	function
reduction	in force
reduction	in fuel consumption
reduction	in rank to private
reduction	of the voting age
reduction	of wrinkles
reduction	potential
reduction	schemes
relative risk reduction
risk reduction
row reduction
selective reduction
source reduction
standard reduction	potential
stress reduction	clinic
threat reduction
toxics use reduction
turing reduction
type of reduction
variability reduction
vowel reduction
waist reduction
waste reduction
weight reduction