AI	Artificial Intelligence.
CIM	Computer Integrated Manufacturing.
CPS	Cyber–Physical Systems.
ECG	Electrocardiogram.
EEG	Electroencephalography.
EMG	Electromyography.
GPS	Positioning System.
HCPSs	Human-Cyber–Physical Systems.
HO4.0	Healthy Operator 4.0.
IAQ	Indoor Air Quality.
IIoT	Industrial Internet of Things.
IoT	Internet of Things.
IPA	Intelligent Personal Assistant.
IPS	Indoor Positioning System.
IR	Infrared Receiver.
IT	Information Technology.
MAC	Media Access Control
ML	Machine Learning
OSH	Occupational Safety and Health
RFID	Radio Frequency IDentification.
SBC	Single-Board Computer.
TLV	Threshold Limit Value
UWB	Ultra-wideband.
VR	Virtual Reality.
WLAN	wireless local area network.