• caustic soda process

दाहक:    burner cautery incinerator burning caustic

दाहक सोडा:    caustic soda दाहक burner cautery

सोडा:    soda sal soda soda ash

सोडा प्रक्रम:    soda process सोडा soda sal soda soda ash

प्रक्रम:    process photographic flight point process