In any event both metric and imperial have been allowed and used. Imperial measurements have never been forbidden. The only requirement for those like the metric martyr was to show weights in both systems
RT @RichardGCorbett: #Johnson presenting Britain going metric as an imposition from the EU is yet another one of his lies. #Britain decided that for itself as far back as 1897!

🐦🔗: https://nitter.eu/maryhoneyball/status/1531581015495426049