いろんなフォントで「ventilation shaft」変換
Zen Old Minchoventilation shaft
Yusei Magicventilation shaft
M PLUS 1ventilation shaft
Shippori Antiqueventilation shaft
Yuji Maiventilation shaft
Dela Gothic Oneventilation shaft
DotGothic16ventilation shaft
Train Oneventilation shaft
Hira Minchoventilation shaft
Potta Oneventilation shaft
Reggae Oneventilation shaft
Stickventilation shaft
Zen Kurenaidoventilation shaft
Kosugi Maruventilation shaft
Rampart Oneventilation shaft
Hachi Maru Popventilation shaft
New Tegominventilation shaft
RocknRoll Oneventilation shaft
Kaisei Decolventilation shaft
「ventilation shaft」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
