⟩ __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. A. Acid B. Solvent extraction C. Alkali D. Clay
Option B
Option B
Please explain conventional Water Heaters vs. Tankless Water Heaters?
Do you know how to fix a leaky PVC water pipe?
Tell me how do I know if I have a broken water line outside my house?
Tell us what is the worst thing you had to do as a plumber?
Tell me who taught you mostly what you know in plumbing?
Do you know what is Pipe Dope?
Explain me do you prefer your water mains be pvc or copper?
Please explain do you prefer PVC or copper for piping?
Do you know what is the most common reason for sump pump failure?
Explain me some of the most common tools required for plumbing?