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We were both vaccinated in Jan / Feb this year. We had the Pfizer variation. Over the past three weeks we were both very much exposed to two sick family members who later tested positive. One was my grandson that we drove home from school, after he developed a fever and started feeling poorly. On the way home he sneezed and coughed all over the car's interior.
The other was our adult daughter, who lives with us. We are unavoidably in contact with her every day. I started worrying that we may be positive, so we had the test this morning. The testing lab reported that we were both negative. YES!! 
I credit the vaccine with our good fortune in avoiding Covid so far! The two family members appear to be slowly getting better.
Get me coffee and no one gets hurt!
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Excellent!
We do Rapid Lateral Flow Tests twice a week (and Herself has a PCR* every week as she works in an old folks home) and they've all come back negative so far.
The NHS will let me order a pack of 7 tests for free every day, and the are delivered within 24 hours. Which is nice. The tests still kick in my gag reflex every time though ...
* Polymerase Chain Reaction - results in two days as opposed to the 20 minutes of the RLF but less false positives.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Does she still work there Paul ? I would have thought she'd have packed it in after the crap she's been through
"I didn't mention the bats - he'd see them soon enough" - Hunter S Thompson - RIP
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Yes, she's still there.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I'm glad she's still able to work. From other things you'd said I feared she might not have been healthy enough to work.
Although I suppose an old folks home wouldn't have any trouble refilling her O2 bottles too. 
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
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I had the gagging issue too, but the set most recently delivered asks you to do both nostrils rather than one nostril and tonsils. It's a lot more user friendly and the result is in 15 minutes rather than 30.
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Excellent news - both about yourselves and about your family members.
Wishing a speedy recovery to both of them.
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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Cp-Coder wrote: The testing lab reported that we were both negative.
So no antigens found, but what about antibodies?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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We weren't tested for antibodies
Get me coffee and no one gets hurt!
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![Rose | [Rose]](https://www.codeproject.com/script/Forums/Images/rose.gif)
«The mind is not a vessel to be filled but a fire to be kindled» Plutarch
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I have a UPS backup device to protect my workstation DELL T1700 in my home office. the battery needs to be replaced. its brand is: DURA12-7F2 AGM. its technical spec is: 12V 7Ah. for this kind of battery, there are lot of options in Walmart store.
But, I noticed there is "AGM" on current battery. not sure what it is and here are my research:
1)Maintenance free AGM technology.
2)AGM stands for Advanced Glass Mat Technology.
So this battery is a little different than universal battery USB 1270 battery, but not sure the exact difference.
Curious to check our community here to solicit some insights on this battery.
diligent hands rule....
modified 26-Aug-21 20:58pm.
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That glass mat is just the separator between the two lead poles.
Sealed Lead Acid Batteries comes in two variants.
Absorbed Glass Mat, or AGM.
Gel batteries. Gel batteries are much less sensitive to vibration and shock and can be used in any position. AGM still prefer to stand upright, even if it isn't strictly necessary.
You probably won't need a gel battery.
Otherwise you only need to check that the specifications are the same (voltage, polarity, connectors and measures) or exceed the original (charge and discharge current)
There might also be some additives (calcium, strontium and whatnot) to the battery that add to its life, but I wouldn't care about it. That usually only matter if you deep discharge the batteries, or use them in high power applications such as starter batteries.
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Jörgen Andersson wrote: Sealed Lead Acid Batteries comes in two variants.
You're forgetting the third and most common form of lead acid battery, the flooded lead acid battery.
The difficult we do right away...
...the impossible takes slightly longer.
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But that's usually not sealed is it?
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If that is the same as the item from CSB with the same part number: CSB GP-6120F1 6V 12Ah Battery[^] then it is probably AGM (see the spec sheet for the CSB item).
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Flooded, are, by definition, NOT sealed. There are maintenance ports on them to allow checking the condition of the "water" and to allow you to top it up.
You cannot operate a flooded lead acid battery in any position than its access port facing upwards.
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Richard Andrew x64 wrote: You're forgetting the third and most common form of lead acid battery, the flooded lead acid battery.
Flooded lead acid batteries must NOT be used in office UPC-backups. During last part of charging they vent oxygen and hydrogen in a perfect explosive ratio. That is why one has to periodically add water - to replace the water that was decomposed. They can only be used in a ventilated compartment.
Sealed lead acid batteries do not vent explosive gasses, and are OK for indoor use.
FG Fletcher
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I did something wrong: I always lay the battery down, not upright always
Thanks for your info...
diligent hands rule....
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No worries, they are sealed anyway.
You might get slightly lower capacity if they lie down the wrong direction.
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What does this terminal mean?
Terminals: F2
Per your advice, I will put it upright always from now on...
diligent hands rule....
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It's the flat connector on top of the battery.
F2 is 1/4" wide, while F1 is 3/16" wide.
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Addendum:
Most UPS units have the F2 1/4" connectors and most off-the-shelf replacement batteries have 3/16" connectors - why? Go figure!
You can get adapters, but if you squeeze the UPS connectors a little bit with pliers they will be a sufficient fit on the new battery if it has F1 connectors.
2nd Addendum:
While I usually try to find Yuasa or Panasonic batteries which have (mostly) the best performance, you will probably get similar cost performance from cheaper off-brand batteries - you just have to change them more often.
So old that I did my first coding in octal via switches on a DEC PDP 8
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Actually, AGM are perfectly fine on their side. There is no liquid rolling around in an AGM. That is only in flooded cell batteries.
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This kind of thread is one of the reasons I love Code Project. There are so many finicky technical considerations for just about ANY kind of device and there always seems to be at least one or two experts who will respond to questions here. There are lots of other sites where you can get similar information but this one tops them all, IMHO.
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