#pipe engineer

[favorite-worst-nightmare]

Animatic……… soldier gets glasses…..

[gods-in-the-machines]

[almost-good-at-cosplay]

"That ain't a toy, son..."

You guys seemed to like the last one I did so I said fuck it, ANOTHER impromptu Emesis Blue costume!

[iamthepulta]

I think I'm slowly getting a picture of a narrative. This is tricky though. If I had uh- known what the fuck I was doing six months ago, I would've titled the presentation, "Alum mining, trade, and metallurgy from Bronze Age to Present" and called it a day.

The lax definition of alum's chemistry also makes it really hard to pin down. It ranges from hydrous to anhydrous (impure and pure) aluminum sulfate salt to aluminum clay. Civilizations until the Roman era just kind of pointed at white shit, called it alum, licked it to see if it was sour (not salt) and tossed it in the chemical vat.

There were also specific locales for the good shit. So instead of saying 'alunite', you'd say 'alum from the Hittites', or 'alum from Egypt'. One could be used for tanning, but the other was used for a fancy blue glaze (cobalt-clay). You could also produce alum from alunite, like on the isle of Lesbos (Sappho historical romance novel with alum when??)

But. Within all this. You have the Babylonians primarily using it as a tanning agent and wool-dyeing. The Egyptians used it as a glaze, for pottery, and medicinal/metallurgical uses. Apparently blue beads were making it all the way to China and Scandinavia at this time? The Romans took the metallurgical uses and cranked that up to 11. After the fall of Rome, the Arabs used alum for all the above and Germany was also using it metallurgically, but my research ends here right now.

In the present, alum is still used as a mordant (dyeing agent), but is more often used as a water treatment flocculant (filtering impurities). It's also more rigorously defined as either ammonium, potassium, or sodium hydrous aluminum sulfate. Whether we still mine it is unclear?? It doesn't seem to be the case: we mine aluminum, get aluminum oxide, which either goes to Iceland to be made into pure aluminum, or is sold separately and then added to Na2(SO4) to make alum.

It doesn't really pack the same punch I wanted it to with clothing though, because it's not really used for that. Chromium sulfate is now the primary mordant if you're doing chromium tanning, which is environmentally bad and kind of like nuking a hide to make it tan fast. I guess I can track down where the chromium is coming from, and how they make that.

This isn't even getting involved in plastic production, or rayon, or nylon, or the history of fast fashion and petroleum. I think the end line of this will have to be something vague and unspecific, like "disregarding the non-renewable resources that go into <I want to say artistic, but they're not artistic. The proper term is probably female-driven industries lol> fundamental human tools can lead us to overlook industries that have just as much impact - economically and socially - on geopolitics."

... I can already see the first question on that being, "what are some other non-renewable resources you think have been overlooked?" :') ahh, idk. I've been reading for 30hr. I'm going to go to sleep. I'll run away from the podium or smthg.

to do: I should reread Al-Razi with alum in mind... the translator is not Levey, so I have to chemically check all the names she gives minerals. But I distinctly remember alum coming up several times and tripping me up.

Also chromium sulfate manufacturing/mining; saving this chrome/ferric reference because I haven't seen them written altogether anywhere else.

[skeletalheartattack]

[wanghedi]

is a marketing job just making various powerpoints. I havent seen them do anything at work other than make and look at powerpoints this is cannot be a real job...

[gods-in-the-machines]

[xinyuesteeljosie]

What do we do in April 2025?

My dear friend, Xinyue will attend 2025 OGU (Oil & Gas Uzbekistan) from 13th May to 15th May 2025! Location: Uzekspocentre Exhibition Centre (Tashkent, 700084107, Amir Temu street Uzbekistan) Come and join us this time! For all your oil and gas pipeline or seamless steel pipe request, feel free contact us at anytime; BR Josie

[carbonsteelflangeandpipe]

SMLS Stainless steel pipe From Xinyue Steel Deliver To North America Specification: ASTM A312-2 SUS304

Want to know more about SMLS Stainless steel pipe? Contact us now! WhatsApp: +8618974849825 Josie@xysteelpipe.com www.xysteelpipe.com

Xinyue's Vision: Build The World, Serve The Globe! Xinyue's Mission: To promote steel industry, to represent Made-in-China !

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[mozart-the-meerkitten]

magical thing I learned about my car

he can play music off a FLASHDRIVE

like, I'm probably the last person to know about this, but my little VW bug Toothless has a stereo system that (I'm told) was installed in him some time after one of his former owners got him. Among other fascinating features, this console includes a USB port. I had. never considered that I could use this to play music until I got one of those automated sale text messages from a music artist I follow about a USB drive he was selling with EIGHTY songs on it for twenty five dollars.

So naturally I remember Toothless' USB drive and go grab a flashdrive with music (among a million other things) on it and go plug it in to see what happens.

and suddenly there's J.R.R. Tolkien in my car singing "Blunt the Knives", which I didn't even REALIZE was ON the flashdrive and then I go to the next song and when did I download 'Numb' by Linkin Park?!

so, uh, yeah, my car can play music off a flashdrive. if your car ALSO has a USB port you. you might want to check that. because I'm pretty sure it's magic.

[tea-cuz-why-not]

Metro 2033 series thoughts except there is zero no no context

Glukovsky gives us a box full of Chekhov's guns, and then produces a fucken flamethrower to set us on fire

(The box of guns is of course left untouched)

[andydrarch]

I feel like at least twice a year I feel compelled to make a fossil fighters frontier remake fangame

[petronthermoplast]

Elevating Industry Standards: PVDF Materials by Petron Thermo Plast

In the dynamic landscape of industrial materials, Polyvinylidene Fluoride (PVDF) emerges as a standout choice, renowned for its exceptional properties and diverse applications. Petron Thermo Plast, a leading manufacturer in the field, specializes in delivering top-tier PVDF Materials crafted to surpass industry expectations. This blog meticulously explores the features, benefits, and applications of PVDF materials by Petron Thermo Plast, showcasing why they are the preferred solution for professionals worldwide.

Unveiling PVDF Materials

PVDF materials represent a pinnacle of innovation, characterized by their remarkable chemical resistance, thermal stability, and mechanical strength. Petron Thermo Plast’s PVDF materials are engineered with precision to offer unparalleled performance across a multitude of industrial settings.

Key Attributes of PVDF Materials

1. Chemical Resistance:

PVDF materials exhibit exceptional resistance to a wide spectrum of chemicals, including acids, bases, and solvents, making them ideal for corrosive environments.

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5. Weatherability:

PVDF materials exhibit exceptional weather resistance, making them suitable for outdoor applications where exposure to UV radiation and harsh weather conditions is common.

6. Non-Toxicity:

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PVDF materials by Petron Thermo Plast find extensive applications across diverse industries:

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Advanced Manufacturing Techniques:

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Why Choose PVDF Materials from Petron Thermo Plast?

Investing in PVDF materials from Petron Thermo Plast guarantees superior quality, reliability, and performance. Here are some compelling reasons to choose Petron Thermo Plast:

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Conclusion

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[lifconltd]

A Comprehensive Guide to Horizontal Directional Drilling Methods:Horizontal Directional Drilling (HDD) has revolutionized the way we install and maintain underground infrastructure. This trenchless technique utilizes a directional drilling approach, employing a HDD drill with a steerable head, to create a precise pathway beneath the surface. But the world of HDD isn't a one-size-fits-all solution. This blog post delves into the diverse methods used in HDD, focusing on their applications in the Kingdom of Saudi Arabia (KSA) and beyond.