There are multiple definitions:

1. coronary/critical care unit(English)

   • ICU, NCU
   • Critical Care, Coronary circulation

2. carbon capture and utilization(English)

   • addressing one of the most pressing challenges in the fight against climate change
   • EFI, ETA, CCM, EUBCE, GHG
   • Energy transition, Air pollution, Environment
   • https://doi.org…ech.2022.127009