uranium tetrafluoride (uf4)

agar streak test brenz-catechin sulfuric acid carriage restore key close-spaced method double-focus interferometer follicular mange hexagon die nut leakage (magnetic) flux margin release key net working capital old stock optical frequncy branch phase-shift decoder plant quantitive ecology pod color signal whistle Soga Guyot Spanish-American War speedometer take off shaft written out