What is bwma?

Some articles on bwma:

British Weights And Measures Association - Aim of The BWMA - Campaigns
... BWMA maintain that people should be free to use the metric system if they want, but that it should not be forced upon them ... BWMA campaigns against the metrication of road signs and in 2009 published their response to a consultation hosted by the UK's Department for Transport which discussed a proposal to require compulsory dual ... BWMA's responded that dual-units signage should not be made compulsory, and that the legal provisions (from the 1980s) allowing voluntary dual-units signage should be repealed so that only ...