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penis fr

Another way of agreeing with someone/something. Created by famous Discord server owner Nemesis.
Nigga 1: Bro I fucking hate republicans.

Nigga 2: penis fr
by TheKidBruh March 22, 2021
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Simps fr

Eva and evie
Eva and Evie are simps fr
by Peepeepoopoosimp October 31, 2020
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im fr just a girl

the meaning of "im just a girl" is a girls code word for wanting to break up with her current boyfriend and fuck her ex
by Yourboy_jay August 10, 2024
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FR-4

FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material. FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing).

"FR" stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab. The designation FR-4 was created by NEMA in 1968.

FR-4 glass epoxy is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to retain its high mechanical values and electrical insulating qualities in both dry and humid conditions. These attributes, along with good fabrication characteristics, lend utility to this grade for a wide variety of electrical and mechanical applications.

Grade designations for glass epoxy laminates are: G-10, G-11, FR-4, FR-5 and FR-6. Of these, FR-4 is the grade most widely in use today. G-10, the predecessor to FR-4, lacks FR-4's self-extinguishing flammability characteristics. Hence, FR-4 has sincewhen? replaced G-10 in most applications.
Fenhar FR-4 epoxy resin systems typically employ bromine, a halogen, to facilitate flame-resistant properties in FR-4 glass epoxy laminates. Some applications where thermal destruction of the material is a desirable traitcitation needed will still use G-10 non flame resistant.
by fenharxz.com August 7, 2024
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FR

Due to FR and W6 flight times, I slept again at the airport for the third day in a row.

My FR plane yesterday had a delay of 3h 55 min again, so they don't have to pay me passenger rights compensation for delayed flights over 4h.
by seat11A January 18, 2023
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fr

like.. fr
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fr

the slang word fr DOESN'T mean "for real"

this word actually means "feral"
"hey dude you got that drip?"
"yuh"
"oh feral"

fr your welcome
by fr that vegan teacher March 17, 2021
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