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If you are trying to measure the strength or condition of a steel part (including a tank) simply by its age...That's about as useful as asking how long is a piece of string. If the US DOT asks for 100,000 pressure cycles on a tank, consider. That's going to get possibly 1000 cycles per year in...

As rjack said. I suspect that if you call XS (and they actually answer the phone and put more than clerks on the line) they will tell you it did not leave their factory that way. That it is safe to use, but...they might authorize DGX to return it to them, and replace it.

The first time I had occasion to ask a business for a break on something, on behalf of a fundraising event, I didn't feel ENTITLED to a break. I just ask, in the most open terms I could think of "Could you make any accommodation for...." leaving it wide open for them to say 25% off, or half off...

There are good captains and bad, this is why it is important to know the credentials and rep of whoever will be taking the boat out, as well as the shop or operator owner. But on cancelling dives...every one of them has different policies and it really doesn't matter what those policies are--as...

Chairman- "Every Google add has an icon in the upper right corner where you can tell it to stop that particular ad." Not necessarily. If you are not logged in, if you are behind a VPN, if you have disabled personal ad preferences, and perhaps even if you are normally logged in, you may get an...

Are they filling out a paper copy of a form they got online? Physically signing it and then scanning it back in to upload? Or mailing/faxing it back? Or is this referring to an *electronic* signature of some sort? Which can require a cumbersome process of getting an online secure signature...

Kimela- If you mean the actual packets put together by the PillPack pharmacy, the one bought up by Amazon last year? I don't know if you're getting those or something similar. The "genuine" PillPack ones have the name and dosage of every pill printed on the plastic, but that's still not the...

Adobe has a bunch of apps designed to make "paperless" contracts and signatures easy. Most involve some cost, and apparently the real estate business and others that require a "signed" document, delivered NOW, have been the prime adopters of this, since it makes the lack of fax machines into a...

mark- About four years ago it made the news that the TSA routinely fires some 500 baggage checkers every year for theft and similar issues. So, about the quality of the people who are pawing through our bags....and their real attention to the contents, ahem. But please bear in mind that the...

It is kinda like shopping for a mattress. You know, no one really ever looks inside, and every store has a "custom" line where the only real difference is the color of the fabric, but who can tell? In theory, if the nominal voltage for the emitter is matched to the nominal voltage of the...

Stuart- Sorry, I missed April. Scubaboard served me up the thread as "new posts". When you mention only one emitter, or now perhaps two, be aware that "the same" emitter can be very different in different lights. "Binning" of white LEDs (which have the greatest manufacturing variations)...

Kryssa- Depending on how precisely you screw down a dive light, you can back it off just enough so it is not turned on, and then the additional squeeze from 4-10' of water pressure will turn your light on for you automatically! Switches are nice but inevitably, something bumps one while you...

" Lots of people get them in high school but they expire in a relatively short period of time. " In the US, as far as I know they all expire in two years from the issue date. And then, depending on how well you're plugged into the bush telegraph, it may be free to take another course, or...

Florida natives will be staying out of the water right now, they think temperatures like 74F are icy cold and they can't deal with that. But a 2-3mm wetsuit and a light hood should be more than most folks would need. If you're hearty and don't et cold easily, even a skinsuit would be enough to...

They (all) dry out as solvent evaporates. You can deal with this the same way we used to deal with drafting pens, which are a true b|itch to try cleaning out once they dry out and clog. Find out what the solvent in the particular pen is. Could be naphtha, xylene, alcohol...find out. One call to...

tursiops- I hear what you are saying. That TSA page, in typical bureaucratic imprecision, fails to say what kind of gas cylinders it is talking about. And by failing to say "sealed or otherwise inaccessible", it goes to strict legal construction of the regulation, which simply bans all...

The TSA web page? Was it in "Little Big Man" that someone refers to "Great Chief with Forked Tongue who sits in Washington" ? From Fire Extinguishers and Other Compressed Gas Cylinders "Fire Extinguishers and Other Compressed Gas Cylinders Carry On Bags: No Checked Bags: No For more...

Banding happens when you do not have enough pixels (spots, dots, cells, pixels, the terminology varies with the industry you are coming from) to render the tonal range of the image. For instance, in the old 300-dpi laser printers, sometimes they printed a "cell" consisting of 64 pixels. Think of...

Andy- I suspect you are confusing the "recreational scuba diving no-decompression limit" which was long accepted as 130 feet, with PADI's varying ideas about "certified" "OW" and "AOW". When I was certified our card just said "Give the man fills." We were never even told that there were "open...

The "agency's" role in any accident is simply that they presumably train and credential the independent shop which is using their logo. Their only legal responsibility might be one of whether they properly credentialed the staff involved, which one hopes is normal. Now, they probably could and...