High pressures squeeze and crush, but low pressures damage too. Losing the atom-level buzz that keeps us held safe in the balance of internal and external pressure releases dangerous storms, disorientation and pain, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

HANNAH BLYTHYN started our conversation by telling me about growing up in a working-class community in Flintshire, north Wales, and her early trade unionism experience.
“I think like most people in my generation I was probably influenced by the decimation of our traditional industries across north Wales. I had one granddad who worked at the steelworks in Shotton and then my Taid, my other granddad, worked in a colliery.
“I spent a lot of time with my granddad who worked at the steelworks when I was little and he would talk to me about the solidarity of unions, the importance of collectivism and I guess that even as a small child, that really started to seep into my psyche.