automatic boom barrier
automaatne tõkkepuu, automaattõkkepuu
kasutusviise
https://5.imimg.com/data5/DL/KQ/MY-7047655/rfid-vehicle-access-500x500.jpg
http://www.krishnaparkinfracon.com/wp-content/uploads/2014/03/Screen-Shot-2014-09-22-at-12.35.15-pm.png
https://www.slideshare.net/anupamchaturvedi111/parking-presentation-26408129
teostusnäiteid
https://www.youtube.com/watch?v=5X62FH8WqRw
http://www.houstonsystem.com/blog/wide-range-of-boom-barrier-gate-to-suit-your-security-requirements
https://www.rotech.com.au/product-category/vehicle-access-control-equipment/automatic-manual-boom-gates/
http://www.globalsources.com/manufacturers/Automatic-Boom-Barrier.html