Saint-Gobain interview questions

AVOID THIS PLACE AT ALL COSTS!!! The management and recruiting team came off very nice on phone screens and follow up e-mails. Was flown to San Diego for a one day face-to-face interview, and when I arrived, everything changed. Never showed me the plant or processes. Made me wait in the lobby for more than an hour, and then they didn't even know I was there, even though I contacted the front desk there and told them who I was. Then I met with the HR rep who spent about 30 min with me, had me have lunch with the production manager, and then it was "see you later." They told me to save my receipts and mail any costs incurred (such as taxi's and ground transportation), and 2 months later, not only have they NOT paid, but have not answered any phone calls or e-mails whatsoever. I knew something was up when they told me that turnover was ~ 20% at the plant, and that "they're trying to change the culture there with a bunch of people that have been there for 20 years and are resistant to new ideas." Given the way they handled my interview, I can understand why nobody would want to work for them.