BAR 110 · Barista PracticeSession 7 · Hour 1 · BackflushInstructor cue 잔 안의 어젯밤.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1BackflushHour 2Wipe, then sleepHour 3The first shot is tonightThis browser cannot play the film.CheckBackflush the group. Wipe the wand. Empty the hopper. Write the close. A dirty group is tomorrow's first bitterness.