1) French possessive 2) French pronoun 3) Nfl blockers and catchers 4) NFL receivers 5) Parisian possessive 6) Parts opposite some handles 7) Possessive in Perpignan 8) Sax All Night instrumentalist 9) Some nfl linemen 10) Some NFL pass catchers 11) Some NFL targets 12) Targets for QBs, at times 13) They may block for the QB Found on https://www.crosswordclues.com/clue/tes
[buffer] TES is used to make buffer solutions. It has a pKa value of 7.550 (I=0, 25°C). It is one of the Good`s buffers and can be used to make buffer solutions in the pH range 6.8–8.2. It is one of the components of Test yolk buffer medium used for refrigeration of semen and transport. ... Found on http://en.wikipedia.org/wiki/TES_(buffer)