Now some employers are reversing course, convinced that their pennywise approach does not always reduce long-term costs.

rhematic adjectives

https://books.google.com/books?id=Bm8FAAAAQAAJ&pg=PA540 page 540 Theſe ſmooth and oily Med'cines act by ſheathing acrimonious Salts in the Blood, and preventing Inconveniences from 'em; and by relaxing the Fibres, and hence widening 'em. … https://books.google.com/books?id=Bm8FAAAAQAAJ&pg=PA541 page 541 [They] are convenient in Coughs, from thin and ſharp Rheums, becauſe they ſheathe the Salts that gall the Lungs.

The frequency of the musical note A above middle C is 440 oscillations per second.