4 ms·
I feel like no matter the pressure, if there is a crack and a dirty puddle outside then it will always contaminate the water
by cuteboy19 4y ago
I feel like no matter the pressure, if there is a crack and a dirty puddle outside then it will always contaminate the water
- dale_glass 4y agoNo, if pressure is higher on the inside it'll just constantly go from inside the pipe to outside it, and outside contaminants won't leak in.
- c_o_n_v_e_x 4y agoSimilar concept... clean rooms are positively pressured to keep germs, dirt, etc. from entering the room. Isolation rooms are negatively pressured to keep bad stuff from leaving.