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Message:: [QUOTE="usmc60, post: 2572083, member: 76739"]Second question yes. And that's because the young man suggested he ran his own shop and that would probably be used in his shop. It would be very hard for anyone to answer the question about NASA's shuttle crawler. Unless you actually worked in the field. Like I had mentioned not too many people are aware of the problems that they've had for so many years on the crawler. I thought I'd mention that Teflon seals on the hydraulic ram do fail. I plainly admitted that and that was a catastrophic failure of the seal which I have seen many times over the years. And it's a real Bich when you're standing by it And it goes because you get soaked. And I believe I'm the one that shows a photo of where the failure can occur. Never said it couldn't happen.And I'm sure quite a few coins made it by before the press was shut down. And I'm sure the mint didn't go through and pick out all the hydraulic Lubricated coins that were in the been either.I'm sure at the speeds that the press is run at. The operators have to it's just change the seals on a regular basis. I have no problems admitting that it is a fluid that can coagulate debris there's no question in my mind about that. But how many press failures do you read about.<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie24" alt=":blackalien:" unselectable="on" unselectable="on" />[/QUOTE]