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solar panel → HasPrerequisite → little maintenance	0.67
metal → HasPrerequisite → little maintenance	0.48
granite → HasPrerequisite → little maintenance	0.47
filter → HasPrerequisite → little maintenance	0.46
slate → HasPrerequisite → little maintenance	0.45
fern → HasPrerequisite → little maintenance	0.43
machine → HasPrerequisite → little maintenance	0.43
door → HasPrerequisite → little maintenance	0.41
fur → HasPrerequisite → little maintenance	0.41
teak → HasPrerequisite → little maintenance	0.38
vinyl → HasPrerequisite → little maintenance	0.37
plant → HasPrerequisite → little maintenance	0.35
heat pump → HasPrerequisite → little maintenance	0.33
coat (aspect of breed) → HasPrerequisite → little maintenance	0.33
implant → HasPrerequisite → little maintenance	0.33
solar cell → HasPrerequisite → little maintenance	0.32
electric car (subgroup of car) → HasPrerequisite → little maintenance	0.32
concrete → HasPrerequisite → little maintenance	0.32
unit → HasPrerequisite → little maintenance	0.29
garden → HasPrerequisite → little maintenance	0.29
aluminum → HasPrerequisite → little maintenance	0.29
tile → HasPrerequisite → little maintenance	0.28
bamboo → HasPrerequisite → little maintenance	0.28
brick → HasPrerequisite → little maintenance	0.28
ceramic tile (subgroup of tile) → HasPrerequisite → little maintenance	0.28
deck → HasPrerequisite → little maintenance	0.27
blind → HasPrerequisite → little maintenance	0.26
aloe → HasPrerequisite → little maintenance	0.25
denture → HasPrerequisite → little maintenance	0.25
garlic → HasPrerequisite → little maintenance	0.25
haircut → HasPrerequisite → little maintenance	0.25
landscape → HasPrerequisite → little maintenance	0.25
laser → HasPrerequisite → little maintenance	0.25
tungsten → HasPrerequisite → little maintenance	0.25
wildflower → HasPrerequisite → little maintenance	0.25
laminate → HasPrerequisite → little maintenance	0.24
patio → HasPrerequisite → little maintenance	0.22
projector → HasPrerequisite → little maintenance	0.22
oregano → HasPrerequisite → little maintenance	0.20
pool → HasPrerequisite → little maintenance	0.19
countertop → HasPrerequisite → little maintenance	0.16
lash → HasPrerequisite → little maintenance	0.16
peony → HasPrerequisite → little maintenance	0.16
pvc → HasPrerequisite → little maintenance	0.16
asphalt shingle (subgroup of shingle) → HasPrerequisite → little maintenance	0.16