Vocabulary consisting only from characters you are able to read
緑化
rjokka
tree planting, afforestationsuru
帯
obi
(1)obi (kimono sash), (2)paper wrapper on books, CDs, etc.; band (e.g. conduction, valence), belt (e.g. Van-Allen, asteroid, etc.) fuku
管
kuda
pipe, tube; pipe, tubemix