オイルシェールであれば
oirushērudeareba
1. If oil shale; When oil shale
Noun
#2278707
1. If oil shale; When oil shale
1. wealthy; rich
1. to age; to grow old
1. oil fence
1. There; Behold
1. Was; Existed
1. To be (exists); To have
1. Does not exist; Is not present