ALD	Active Leak Detection
API	Application Programming Interface
CBD	Central Business District
CICL	Cast Iron Cement Lined
CNN	Convolutional Neural Network
FCNN	Frequency Convolutional Neural Network
FFT	Fast Fourier Transform
FTP	File Transfer Protocol
GSM	Global System for Mobile communication
GWN	Gaussian White Noise
IMF	Intrinsic Mode Function
L&S	Lift and Shift (vibro-acoustic sensors)
MNF	Minimum Night Flow
PSD	Power Spectrum Density
RP	Recurrence Plot
SCL	Steel Cement Lined
SNR	Signal-to-noise Ratio
STFT	Short-time Fourier Transform
TFCNN	Time–Frequency Convolutional Neural Network