Anabolic steroids are drugs which are derived from testosterone, which is a male hormone. Some are in tablet form and others are injected into muscle. Some names of anabolic steroids are: Andriol. Halotestin. Proviron. Sustanon.
Polyvinyl chloride, more correctly but unusually poly(vinyl chloride), commonly abbreviated PVC, is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene. PVC comes in two basic forms: rigid (sometimes abbreviated as RPVC) and flexible. The rigid form of PVC is used in construction for pipe and in profile applications such as doors and windows. It is also used for bottles, other non-food packaging, and cards (such as bank or membership cards).
Techopedia explains Permanent Virtual Circuit (PVC) A PVC is designed to eliminate the need to set up a call connection on frame relay, ATM or X.25 networks. Typically, the physical connections of a frame relay or supported network into various virtual circuits (VC) allow a physical connection to support multiple VCs simultaneously.