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.
UPVC and PVC pipes are very similar in many ways, the difference in them is how they are used. Regular PVC pipes are used in situations where resistance to corrosive materials is desired.UPVC is used in situations where a sturdy low maintenance material is desired.PVC and PVC pipes are very similar in many ways, the difference in them is how they are used. Regular PVC pipes are used in situations where resistance to corrosive materials is desired.