A poster about the use of formalin in fishes….. Posted on October 16, 2019October 16, 2019 By English To Bangla 1 Comment on A poster about the use of formalin in fishes….. Spread the love Stop using Formalin in fishes! Save the nation!! Say ‘no’ to Formalin in fishes Formalin – causes dreadful disease like cancer Avoid using formalin fishes Save your life Be aware of it Poster Writing Tags:how to write posters writing, nbanglatech, poster, poster making, poster writing, poster writing topics