Storehouse
Warehouse
noun
A storage warehouse is some kind of storehouse, some kind of warehouse.
そうこ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
倉庫の鍵を閉めるには、カチッという音が聞こえるまでレバーを上げる必要があります。
You need to lift the lever until you hear a click to lock the warehouse.