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navigationallyaided t1_j8fxv76 wrote

Yep, the water used in the cooling tower is the perfect place for bugs to grow and many commercial HVAC systems don’t have HEPA/UV treatment for the air handlers. You can treat the cooling tower water with quats to suppress bacterial/viral growth. Also, the condensate that forms in the air handlers is also ideal for bugs to grow.

The movement in HVAC is to have separate air handlers and only one cooling tower.

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navigationallyaided t1_j0aczhs wrote

And that coincided with the tail end of IMFT - the Intel-Micron NAND joint venture. Intel saw Optane as the new hotness, high-bandwidth X-point NAND that was supposed to be paired with a mechanical SSD; the Windows version of Apple’s Fusion Drive.

It was a flop, much like Intel’s gamble on Rambus RDRAM 20 years ago - and Samsung took the NAND world by storm with their 3D V-NAND.

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navigationallyaided t1_j099kpb wrote

You’d be shocked - anything that requires RF, like car key fobs, gate/garage remotes and discrete power/timing/IO, chances are those components are coming from Microchip, Intersil, ST Micro, ADC and National Semiconductor. Part of the electronics shortage - plenty of the “big” chips like DRAM/NAND, CPUs/GPUs/SoCs but not enough of the supporting cast like RF/discrete power/IO/networking/timing/battery monitoring - those are all specialized ICs that don’t use the latest and greatest process tech but have an important supporting role.

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navigationallyaided t1_j08hvik wrote

Intel also has a fab in Hillsboro - but I haven’t heard plans for it.

The eventual goal with the new C-suite at Intel - they want to be a contract supplier. Many of the current IC companies who make important components or even whole systems like Qualcomm, Marvell, Nvidia, AMD and Apple don’t have their own fabs - TSMC and Samsung are doing that. I can see Apple and Intel becoming frenemies, much like the Apple-Samsung relationship. Companies that do work with the military or critical infrastructure might be compelled to have chips fabbed in the US as a matter of national security.

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navigationallyaided t1_j086uz6 wrote

Intel is building a new fab near Columbus, OH. TSMC is building a new facility in Arizona - there is already an Intel fab in Chandler and I think Microchip has one in Tempe or Nogales. Samsung Austin fabs non-NAND/DRAM silicon.

The actual chip “packaging” - mounting it onto a substrate or encasing it in plastic and ceramic after attaching lead wires and pins/solder pads will still happen overseas - Intel does this in Costa Rica/Philippines, Samsung ships Austin silicon back to Korea or China, and China/Korea/Vietnam/Mexico/Philippines are were silicon is packaged.

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navigationallyaided t1_ixt31wc wrote

Wash it with Dawn, Clorox Outdoor formula or deck wash(Behr, Olympic, Zinsser, Ben Moore - doesn’t matter which brand for cleaner). If water beads, you have wax or grease on the deck and that must be addressed.

If Thompson’s Water Seal was ever used, you must scrub the deck with ammonia to remove the wax.

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navigationallyaided t1_ixif9l1 wrote

I think FCEVs are only viable for buses and aviation. Toyota and Hyundai put a gamble on FCEV cars - but that is so far a flop without the backing of Big Oil. Toyota’s reasoning was to protect the Japanese auto industry from Korea(Hyundai-Kia) and China(BYD and Geely) and they laughed off Tesla. It’s too difficult to have infrastructure for retail gaseous fuels - only Australia, Japan and Hong Kong have that down with LPG(autogas) and CNG. CNG/LNG/LPG tanks in cars, trucks and buses are condemned after 10 years of service - typically a compressed gas tank(like a scuba/fire/CO2 tank) needs to be hydrostatically tested and certified every 5 years.

The problem with burning hydrogen - the NOx emissions are higher than burning fossil fuels. In a gasoline or diesel engine, that can be mitigated with exhaust gas recirculation and selective catalytic reduction(used with EGR on diesel engines, Mercedes/Daimler Truck & Bus calls it Bluetec) but CO/PM/HC emissions are much lower.

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navigationallyaided t1_ixgja5c wrote

AC Transit in Oakland, CA has a fleet of FCEV buses, the first series has been retired but they have a second generation using fuel cells from United Technologies on VanHool chassis, and a new “third” generation bus built by New Flyer with Ballard fuel cells and Siemens electric drives. They are collecting data and finding out the reliability of these buses is nearing diesel and actually better than their fleet of hybrid buses using BAE Systems propulsion with a Cummins 7-liter class engine(think Dodge Ram).

I think Toyota is testing out with the Port of LA/Long Beach FCEV trucks. Believe they are Peterbilt gliders with Toyota FC stacks from a Mirai.

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navigationallyaided t1_iwaf30u wrote

There’re going to do a V2B pilot in Oakland, CA with FCEV buses and a library that serves as a cooling/“clean” air center. The buses are New Flyer Xcelsior XHE40 with Ballard fuel cells and Siemens electric drives.

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navigationallyaided t1_iu9lkg9 wrote

The gears/limit switches in a Chamberlain/Craftsman/LiftMaster opener are easily replaced and a common thing to go out.

Good call on the force adjustment - but it should be adjusted so that it reverses on a 2x4 laid flat but enough to open/close the door. Also, lube the rail, a tiny bit grease on the bottom of the T-rail(LiftMaster) or dry spray lube on the square tail(Chamberlain and Craftsman) works fine.

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navigationallyaided t1_iu9jcg8 wrote

Dulux, I assume you’re in the UK/Australia/Canada. PPG owns the rights to the Dulux brand in Canada, while AkzoNobel has the rights to it in the UK/EU. You need an “adhesion” primer such as Insl-X Stix, if you’re in the US/Canada it can be had at any Benjamin Moore dealer or Ace. You need the equivalent to that. An oil-base primer can also work.

Sand the melamine/Formica with US320/400 grit, prime, sand again with US400 grit, dust and paint with a good waterborne alkyd - dunno what your country has but something similar to Ben Moore Advance or PPG Break-Through in the US/Canada. Sand in between the first and final paint coats.

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navigationallyaided t1_iu7vb5o wrote

One-piece doors have safer springs, but also need more upkeep, and the hardware is becoming more difficult to buy. And screw-drive garage door openers are harder to find outside of the orange/blue boxes - Genie is seen as junk by LiftMaster and Sommer dealers but they’re the only one making screw-drive as Chamberlain(LiftMaster and Craftsman) discontinued screw-drive. A screw-drive opener is the only opener that can reliably open and close a one-piece wood door.

Stick to Amarr, Clopay or CHI for a new door. Avoid Overhead Door brand, since they use proprietary hardware(hinges) or Wayne Dalton due to their spring system.

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navigationallyaided t1_iu6rmxu wrote

Old one piece shin buster door? Open the door. Brace(and nail) underneath it with a few 2x4s on the lower and upper stiles of the door. You can now remove the springs from the hardware. Take off the ring and the hardware can be undone. Reverse the steps with the new springs, take off the 2x4s, close the door and adjust the hardware if needed.

Holmes brand springs are still around but made in China vs. the old made in LA ones. There’s a part number stamped in the ends. It’s these guys here: https://idcspring.com/garage-door-springs/holmes-one-piece-springs/

Home Depot or Lowe’s may have them but your local Ace or True Value might be a better bet.

this guide should be helpful.

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