State papers: American do-gooders planned new town for the North
Credit card pioneer had plans to create a new town in Northern Ireland in 1972
Source: irishtimes.com
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Credit card pioneer had plans to create a new town in Northern Ireland in 1972
AFm is abbreviated from ‘alumina, ferric oxide, monsulfate’. The AFm phase of Portland cement refers to a group of similar members of hydrated calcium aluminates that have a hydrocalumite-like structure based on 4CaO.Al2O3.13–19 H2O.