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  2. Styrene-butadiene - Wikipedia

    en.wikipedia.org/wiki/Styrene-butadiene

    Styrene-butadiene or styrene-butadiene rubber (SBR) describe families of synthetic rubbers derived from styrene and butadiene (the version developed by Goodyear is called Neolite [1]). These materials have good abrasion resistance and good aging stability when protected by additives. In 2012, more than 5.4 million tonnes of SBR were processed ...

  3. Short-barreled rifle - Wikipedia

    en.wikipedia.org/wiki/Short-barreled_rifle

    Short-barreled rifle (SBR) is a legal designation in the United States, referring to a shoulder-fired, rifled firearm, made from a rifle, with a barrel length of less than 16 in (41 cm) or overall length of less than 26 in (66 cm), or a handgun fitted with a buttstock and a barrel of less than 16 inches length. In the United States, an SBR is ...

  4. Sequencing batch reactor - Wikipedia

    en.wikipedia.org/wiki/Sequencing_batch_reactor

    Conversion to SBR will create a longer sludge age, minimizing sludge handling requirements downstream of the SBR. [2]: 8–10 The reverse can also be done, in which SBR Systems would be converted into extended aeration (EA) systems. SBR treatment systems that cannot cope up with a sudden constant increase of influent may easily be converted ...

  5. List of equipment of the Cuban Revolutionary Armed Forces

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    Cuba: Mambi AMR: 14.5×114mm: Bullpup Anti-materiel rifle Cuba: Rocket propelled grenade launchers RPG-2 [1] 40mm Rocket-propelled grenade Soviet Union: RPG-7 [1] 40mm Rocket-propelled grenade Soviet Union: Grenades RGD-5: Hand grenade Soviet Union Cuba: F-1: Hand grenade Soviet Union Cuba: Grenade launchers AGS-17 [1] 30×29mm Automatic ...

  6. FGC-9 - Wikipedia

    en.wikipedia.org/wiki/FGC-9

    The gun's name is an initialism for "Fuck Gun Control", where the "9" refers to its 9mm cartridge. [8] Released with accompanying documentation to aid its production and assembly, as well as the production of suitable ammunition, the FGC-9 is premised on the idea of undermining worldwide gun control.

  7. Spectral band replication - Wikipedia

    en.wikipedia.org/wiki/Spectral_band_replication

    The SBR idea is based on the principle that the psychoacoustic part of the human brain tends to analyse higher frequencies with less accuracy; thus harmonic phenomena associated with the spectral band replication process needs only be accurate in a perceptual sense and not technically or mathematically exact.

  8. Free Cuba - Wikipedia

    en.wikipedia.org/wiki/Free_Cuba

    Download QR code; Print/export Download as PDF; Printable version; In other projects ... move to sidebar hide. Free Cuba may refer to: Republic of Cuba, a period ...

  9. Visa requirements for Cuban citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    A Cuban passport. Visa requirements for Cuban citizens are administrative entry restrictions by the authorities of other states placed on citizens of Cuba.. As of June 15, 2024, Cuban citizens had visa-free or visa on arrival access to 62 countries and territories, ranking the Cuban passport 80th in the world according to the Henley Passport Index.