draft stop
plural of spelk
A person who works making clothes.
plural of hawse timber
Synonym of firestop
業者は火災時の煙の拡散を防ぐため、ケーブルの貫通部の周りに防火封止材を設置した。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★