“ They made the Unit Minor 150 and Unit Super 250 in this method and by 1938 all of their machines were unit construction. During October 2017, the Australian construction contractor Seymour Whyte was bought by Vinci.| These latter actions can increase construction costs significantly. Using combinations of software program, conveyance techniques and screening applied sciences -- computer tomography, X-ray machines and explosive trace detection -- airports can now conduct full in-line screening with out interrupting or delaying the movement of luggage from the ticket counter to the aircraft. Passenger airlines load civilian passengers, their luggage (and generally their pets), snacks and drinks. All of this data, plus a code for the final destination, seems on a boarding cross, which is printed out and given to the passenger. ”