https://www.openlearning.com/u..../borkleslie-smcqsl/b
https://output.jsbin.com/fojepimefi/
CORGI Registered Gas Engineers Many people still require proof of CORGI registration when choosing an HVAC contractor, despite the fact that Gas Safe Register replaced CORGI in April 2009. It's understandable, since CORGI registered heating engineers carry an official identity badge which serves as proof of their qualifications. Qualifications A gas engineer is a qualified professional who can install, service and repair commercial and re