List of active volcanoes in the Philippines. 1  Mayon in Albay is the most active volcano in the Philippines. 2  Taal in Batangas. 3  Kanlaon in Negros island. 4  Bulusan in Sorsogon. 5  Smith in Calayan. 6  HibokâHibok in Camiguin. 7  Pinatubo in Zambales. 8  Musuan in Bukidnon.
A polyvinyl chloride (PVC) pipe is made from a plastic and vinyl combination material. The pipes are durable, hard to damage, and long lasting. A PVC pipe does not rust, rot, or wear over time.For that reason, PVC piping is most commonly used in water systems, underground wiring, and sewer lines.ue to the ability of PVC pipe to withstand extreme movement and bending, it is also increasingly used in earthquake prone areas. PVC pipe can withstand the rigorous shaking of the earth without experiencing any damage.
Polyvinyl chloride (PVC) Written By: Polyvinyl chloride (PVC), a synthetic resin made from the polymerization of vinyl chloride. Second only to polyethylene among the plastics in production and consumption, PVC is used in an enormous range of domestic and industrial products, from raincoats and shower curtains to window frames and indoor plumbing.