PNL 221 · Pneumatics LabSession 4 · Hour 1 · A sequenceInstructor cue 에이 다음 비. 둘이 아니다.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1A sequenceHour 2Follow A sequenceHour 3Your turn · A sequenceHour 4Check A sequenceThis browser cannot play the film.CheckA then B. Not both. Week 4: name, order, result. Then A then B. Not both.