MQL	Minimum Quantity Lubrication
CEO	Chief executive officer
OEM	Original Equipment Manufacturers
LAS	Low Alloy Steel
HAS	High Alloy Steel
LNG	Liquefied Natural Gas
AISC	American Institute of Steel Construction
HSLA	High Strength Low Alloy
MPa	Mega Pascal
GPa	Giga Pascal
SS	Structural Steel
HRS	Heat Resistant Steels
AISI	American Iron and Steel Institute
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analysis
SR	Surface Roughness
MRR	Material Removal Rate
TWR	Tool Wear Rate
CBN	Cubic Boron Nitride
HTMF	Hard Turning with Minimal Fluid
SEM	Scanning Electron Microscope
HRC	Hardness Rockwell C Scale
CVD	Chemical Vapour Deposition
MWF	Metalworking Fluid
MoS2	Molybdenum disulfide
DOC	Depth of Cut
DM	Dry Machining
TL	Tool Life
EDM	Electric Discharge Machining
LOF	Lack-of-fusion