As an example, plumbers use movie cameras for inspections of concealed leaks or other problems; they also use hydro jets, and large stress hydraulic pumps connected to metal cables for trench-less sewer line substitution. Both equally PVC and ABS are preferred options for drain pipes. PVC is more flexible, while https://www.n49.com/biz/6669602/alpine-plumbing-heating-and-air-ca-san-dimas-462-borrego-ct/