Nonstick cookware and Teflon-coated pans are big on convenience. Chemical-coated cookware is also infamous in some circles as it's thought that the PTFE and PFAS, colloquially known as "forever ...

[Andy Pugh] found himself in need of a large linear slide, so he resorted to making his own with steel square tubing and a bit of PTFE (Teflon). The PTFE slider/spacers [Andy] needed a compact ...