Here are 10 ways to have a great-smelling bathroom: 1. Put small amounts of sweet-smelling essential oil on cotton balls, and place them in a small bowl on a shelf, or in a cup in the medicine cabinet. 2.
What is a PQ? The Performance Qualification is used to validate a complete integrated process (e.g. a packaging line consisting of several pieces of equipment). Performance Qualification Protocols test the performance and critical parameter testing for each individual piece of equipment on an integrated process.
The AWS defines welding PQR as a record of welding variables used to produce an acceptable test weldment and the results of tests conducted on the weldment to qualify a Welding Procedure Specification. For steel construction (civil engineering structures) AWS D1.1 is a widely used standard.