\chapter*{LIST OF SYMBOLS AND ABBREVIATIONS}
\addcontentsline{toc}{chapter}{\hspace{7mm}LIST OF SYMBOLS AND ABBREVIATIONS}

\vspace{1em}

\section*{SYMBOLS}

\begin{tabular}{ll}
	$\alpha$ & Rake angle (degrees) \\
	$\beta$ & Clearance angle (degrees) \\
	$d$ & Depth of cut (mm) \\
	$f$ & Feed rate (mm/rev) \\
	$F_c$ & Cutting force (N) \\
	$k$ & Thermal conductivity (W/mK) \\
	$Q$ & Material removal rate (mm\textsuperscript{3}/s) \\
	$Ra$ & Surface roughness ($\mu$m) \\
	$\omega$ & Angular velocity (rad/s) \\
	$\eta$ & Process efficiency (\%) \\
	$\mu$ & Coefficient of friction \\
	$\rho$ & Density (kg/m\textsuperscript{3}) \\
	$\sigma$ & Tensile stress (MPa) \\
\end{tabular}

\vspace{1em}

\section*{ABBREVIATIONS} % Arrange in alphabetical order

\begin{tabular}{ll}
	AI & Artificial Intelligence \\
	Al-TiB\textsubscript{2} & Aluminium–Titanium Diboride \\
	ANN & Artificial Neural Network \\
	CNC & Computer Numerical Control \\
	IoT & Internet of Things \\
	ML & Machine Learning \\
	MQL & Minimal Quantity Lubrication \\
	MRR & Material Removal Rate \\
	SEM & Scanning Electron Microscope \\
\end{tabular}
