CONSTITUTION:A red-color litmus paper 11 which becomes blue in reaction with alkaline liquid is attached to a connecting section between a straight pipe 10 and a T-shaped joint 8 or an elbow 9 etc. from which a liquid leaks with high possibilities when a piping is done. Then, a chemical...
Drops of clear liquid falling onto litmus paper which turns red, indicating that the liquid is acidic, UK (sound available) - HD stock videoPURCHASE A LICENSE Get personalized pricing by telling us when, where, and how you want to use this asset. SELECT OPTIONS ADD TO CART DET...