nannen kakōdeshita
1. Was fire-retardant treated.
Noun
1. Was fire-retardant treated.
1. pupil; disciple
1. mouth of river; estuary
1. how many years; how long
2. what year
1. manufacturing; processing
1. becoming a pupil (of); becoming an apprentice
1. descent; fall
1. deci-; 10^-1
1. It was beautiful.; It was clean.