AECO	Architecture, engineering, construction, and operation
AHS	Autonomous haulage systems
AI	Artificial Intelligence
AM	Additive Manufacturing
AR	Augmented reality
ARSG	Augmented reality smart glasses
BIM	Building Information Modeling
CAGR	Compound Annual Growth Rate
CAx	Computer-aided technologies
CBM	Condition-based maintenance
CCI	Industrial Cybersecurity Centre
CM	Corrective Maintenance
CNC	Computerized Numerical Control
CPS	Cyber–physical system
CVE	Collaborative Virtual Environment
eM	e-Maintenance
DCN	Distributed computational network
DL	Deep learning
D&P	Design and Prototyping
DSL	Domain-Specific Language
GPS	Global Positioning System
H-CPS	Human Cyber–Physical System
HVAC&R	Heating, Ventilation, Air Conditioning, and Refrigeration
IM	Intelligent maintenance
IMA	Industrial Maintenance and Assembly
IIoT	Industrial Internet of Things
IIRA	Industrial Internet Reference Architecture
IoS	Internet as a Service
IoT	Internet of Things
IT	Information Technology
MBSE	Model-based system engineering
ML	Machine learning
MR	Mixed reality
NC	Numerical Control
NCS	Networked Control Systems
OEE	Overall Equipment Effectiveness
OT	Operational technology
PAT	Process analytical technology
P&ID	Piping and Instrumentation Diagrams
PdM	predictive maintenance
PHA	Preliminary Hazard Analysis
PHM	Prognostic Health Management
PM	Preventive Maintenance
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PwC	PricewaterhouseCoopers
RAMI	Reference Architecture Model Industry
RMS	Reconfigurable manufacturing supply
RUL	Residual lifetime
SAE	Serious Adverse Event
SIE	Smart Innovation Engineering
SIS	Safety Instrumented Systems
SLR	Systematic literature review
SM	Smart Maintenance
SME	Small- and Medium-sized Enterprises
SVH	Subjective visual horizontal
SVM	Support Vector Machine
SVV	Subjective visual vertical
VC	Virtual commissioning
VR	Virtual reality
VR-MATE	Virtual Reality for the Maintainability and Assemblability Tests
WoS	Web of Science
XR	X-Reality