Vocabulary consisting only from characters you are able to read
号
ごう
(1)number/edition/make/model/issue/part of that group/ (2)sobriquet/pen-name/(P) leda1, math
狭窄
きょうさく
stricture, stenosis, contractionbyouki
守る
まもる
(1)to protect/to guard/to defend/ (2)to keep (i.e. a promise)/to abide (by the rules)/to observe/to obey/to follow/(P) godan, jlpt3, leda1, verb, vtrans
加熱
かねつ
heating, application of heatsuru