efto การใช้

• They are also marked by classification : top secret, secret, confidential, unclassified EFTO ( Encrypted For Transmission Only ), and unclassified.
• "Witness is a great starting point for intermediate-level inquiry-based learning and a superb addition to school libraries . " Stephanie Reisler, EFTO Voice
• Common first steps after an EFTO would be to fly at the best glide speed ( V BG ), retract flaps if airspeed permits, unlatch the door, and land straight ahead.