Questions below refer to the following article.
(Detroit Sept. 10) AmeriTrac Railways announced early Tuesday morning that the (1)............... of its auto check-in machines was the major cause of the numerous delays over the holiday weekend.
In a press release sent out later Tuesday afternoon, AmeriTrac Railways stated that the complete shutdown of the system (2)............... by a wiring problem probably sustained during its most recent routine maintenance.
All outgoing trains were delayed by up to two hours from December 25 through the 29th.
An (3)............... system was up and running by the morning of the 30th and proceeded to function without a glitch.