Sample spectra of the NSD star NSD_8 with wavelength regions centred at the individual absorption lines of fluorine. The black line in each panel denotes the observed spectrum, the crimson line the best-fit synthetic spectrum, and the yellow bands the line masks defined for each absorption line. The abundances corresponding to the best-fit case for each line are listed in every panel, and all identified atomic and molecular lines are provided at the top of each panel.