yūeki mugainara
1. If/when beneficial and harmless:; If/when harmless and helpful:
Noun
#3104326
1. If/when beneficial and harmless:; If/when harmless and helpful:
1. beneficial; profitable
1. harmless
1. open; uncovered
1. detoxification; (toxic waste) treatment
2. sanitization; sterilization
1. open freight car
1. open freight car
1. innocent passage
1. the right of innocent passage
1. beneficial and harmless