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  2. Vehicle registration plates of Mississippi - Wikipedia

    en.wikipedia.org/wiki/Vehicle_registration...

    Coded by county of issuance (1 or 10) and weight class (A) Weight classes were as follows: A (1,800 lb and under), B (1,801 to 3,000 lb), C (3,001 to 4,000 lb) and D (4,001 lb and over). [2] 1962–63 Embossed blue on white with border line; "MISSISSIPPI" and county name centered at top and bottom respectively 1A-1234 10A-123 XA-1234 1-1234 10-1234

  3. Weight plate - Wikipedia

    en.wikipedia.org/wiki/Weight_plate

    A weightlifter holding an Olympic barbell loaded with plates ranging from 5 to 25 kilograms A pair of adjustable dumbbells with "standard" plates Grip plates arranged on a plate holder (or "plate tree") A weight plate is a flat, heavy object, usually made of cast iron, [1] that is used in combination with barbells or dumbbells to produce a bar ...

  4. PMN mine - Wikipedia

    en.wikipedia.org/wiki/PMN_mine

    It looks similar to the PMN-1, but has a small "blister" in the centre of the pressure-plate, incorporating a spring-loaded, pressure-release anti-handling device. The explosive content is 310 grams of TNT. The total weight of a MS-3 is 630 g. An MS-3 requires a minimum load of between 5 and 6 kg on the "blister" to prevent detonation.

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    A441 – structural shapes and plates (Superseded by A572) A572 – structural shapes and plates. A618 – structural pipe and tubing. A992 – Possible applications are W or S I-Beams. A913 – Quenched and Self Tempered (QST) W shapes. A270 – structural shapes and plates.

  7. Mass (mass spectrometry) - Wikipedia

    en.wikipedia.org/wiki/Mass_(mass_spectrometry)

    Theoretical isotope distribution for the molecular ion of caffeine. The molecular mass (abbreviated M r) of a substance, formerly also called molecular weight and abbreviated as MW, is the mass of one molecule of that substance, relative to the unified atomic mass unit u (equal to 1/12 the mass of one atom of 12 C).

  8. Kilogram - Wikipedia

    en.wikipedia.org/wiki/Kilogram

    The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10 −34 when expressed in the unit J⋅s, which is equal to kg⋅m 2 ⋅s −1, where the metre and the second are defined in terms of c and Δν Cs. —

  9. International Prototype of the Kilogram - Wikipedia

    en.wikipedia.org/wiki/International_prototype_of...

    Gy = J/kg = ⁠ kg m 2 /s 2 / kg ⁠ = m 2 /s 2; S = 1/Ω = ⁠ 10 −7 s / k A m ⁠ H = Ω s = 10 7 k A m; Because the magnitude of many of the units composing the SI system of measurement was until 2019 defined by its mass, the quality of the IPK was diligently protected to preserve the integrity of the SI system.