3DCP	3D Concrete Printing
C&D	Construction and demolition
CDW	Construction and demolition waste
CEM I	Portland cement, Type I
D50	Median particle size (50th percentile)
D90	90th percentile particle size
EN	European Standard
EPS	Expanded polystyrene
EU-27	European Union (27 Member States)
FA	Fly ash
GBW	Ground brick waste
GGBFS	Ground granulated blast-furnace slag
ISO	International Organization for Standardization
LECA	Lightweight expanded clay aggregate
L/S	Liquid-to-solid ratio (by mass)
OPC	Ordinary Portland cement
PCE	Polycarboxylate ether (superplasticizer)
PGE	Polska Grupa Energetyczna (Polish Energy Group)
RBA	Recycled brick aggregate
RCA	Recycled concrete aggregate
RCBW	Recycled clay brick waste
RFA	Recycled fine aggregate
RH	Relative humidity
SBU	Structural build-up
S/W	Solids-to-water ratio (by mass)
VMA	Viscosity-modifying agent
W/S	Water-to-solids ratio (by mass)
XPS	Extruded polystyrene