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  2. Shell Rotella - Wikipedia

    en.wikipedia.org/wiki/Shell_Rotella

    Both Rotella T4 15W-40 conventional and, Rotella T6 5W-40 and 15w-40 Synthetic both list the JASO MA/MA 2 standard; this information can be found on the bottle adjacent to the SAE/API rating stamp. JASO is an acronym that stands for Japanese Automotive Standards Organization. Note that the 10W-30 conventional oil does not list JASO-MA.

  3. Synthetic oil - Wikipedia

    en.wikipedia.org/wiki/Synthetic_oil

    Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic oil is used as a substitute for petroleum-refined oils when operating in extreme temperature, in metal stamping to provide environmental and other benefits, and to lubricate pendulum clocks .

  4. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    The same SAE system for designating motor oil viscosity also applies to synthetic oils. Synthetic oils are derived from either Group III, Group IV, or some Group V bases. Synthetics include classes of lubricants like synthetic esters (Group V) as well as "others" like GTL (methane gas-to-liquid) (Group III +) and polyalpha-olefins (Group IV ...

  5. List of body armor performance standards - Wikipedia

    en.wikipedia.org/wiki/List_of_body_armor...

    The VPAM scale as of 2009 runs from 1 to 14, with 1-5 being soft armor, and 6-14 being hard armor. [1] Tested armor must withstand three hits, spaced 120 mm (4.7 inches) apart, of the designated test threat with no more than 25 mm (0.98 inches) of back-face deformation in order to pass.

  6. Suture materials comparison chart - Wikipedia

    en.wikipedia.org/wiki/Suture_materials...

    A synthetic adsorbable suture material. Braided synthetic adsorbable multifilament made of polyglycolic acid and coated with N-laurin and L-lysine, which render the thread extremely smooth, soft and knot safe. A synthetic adsorbable suture material. Monofilament synthetic absorbable suture, prepared from the polyester, poly (p-dioxanone ...

  7. Sheldon coin grading scale - Wikipedia

    en.wikipedia.org/wiki/Sheldon_coin_grading_scale

    Rims of the coin are slightly worn, design is visible, but faint in areas, with many parts of the coin worn flat. Peripheral lettering nearly full. 6 Choice Good G+, G6 Rims of the coin are complete. Peripheral lettering is full. 8 Very Good VG, VG8 Slight detail shows, with two to three letters of the word LIBERTY showing in coins with this ...