How to say “After the technician serviced the vault door, we could finally turn the wheel without a struggle.” in Japanese
In Japanese
業者さんに金庫室の扉を整備してもらって、やっとハンドルが楽に回せるようになった。
Gyōsha-san ni kinkoshitsu no tobira o seibi shite moratte, yatto handoru ga raku ni mawaseru yō ni natta.