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  2. Scroll saw - Wikipedia

    en.wikipedia.org/wiki/Scroll_saw

    Blades come in many weights, ranging from #10/0 (for making jewelry—about the size of a coarse hair) to #12, which is similar to a small band saw blade. Another variation is called a reverse tooth blade. On reverse tooth blades, the bottom 19 mm (3 ⁄ 4 in) of the teeth are reversed (point up). This arrangement helps to reduce splintering on ...

  3. Serration - Wikipedia

    en.wikipedia.org/wiki/Serration

    The serrated edges of tiger shark teeth A hunting knife with a serrated back edge Serrated leaves of the stinging nettle, Urtica dioica A Meyerco bolt action knife, designed by Blackie Collins, and featuring a partially serrated blade. Serration is a saw-like appearance or a row of sharp or tooth-like projections. A serrated cutting edge has ...

  4. Machairodontinae - Wikipedia

    en.wikipedia.org/wiki/Machairodontinae

    Machairodontinae is an extinct subfamily of carnivoran mammals of the family Felidae (true cats). They were found in Asia, Africa, North America, South America, and Europe, with the earliest species known from the Middle Miocene, with the last surviving species (belonging to the genera Smilodon and Homotherium) becoming extinct around Late Pleistocene-Holocene transition (~13-10,000 years ago).

  5. Smilodon - Wikipedia

    en.wikipedia.org/wiki/Smilodon

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Extinct genus of saber-toothed cat Smilodon Temporal range: Early Pleistocene to Early Holocene, 2.5–0.01 Ma Pre๊ž’ ๊ž’ O S D C P T J K Pg N ↓ Mounted S. populator skeleton at Tellus Science Museum Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class ...

  6. Reciprocating saw - Wikipedia

    en.wikipedia.org/wiki/Reciprocating_saw

    A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall , is often used in the United States , where Milwaukee Electric Tool first produced a tool of this type in 1951.

  7. Saw - Wikipedia

    en.wikipedia.org/wiki/Saw

    A circular saw blade with many small teeth, designed for cutting plywood with minimal splintering. Dado blade A special type of circular saw blade used for making wide-grooved cuts in wood so that the edge of another piece of wood will fit into the groove to make a joint. Some dado blades can be adjusted to make different-width grooves.

  8. Fretsaw - Wikipedia

    en.wikipedia.org/wiki/Fretsaw

    Although the coping saw is often used for similar work, the fretsaw is capable of much tighter radii and more delicate work. It has a distinctive appearance due to the depth of its frame (typically between 10 and 20 inches (25 and 51 cm)), which together with the relatively short five-inch (13 cm) blade makes this tool appear somewhat out of proportion compared with most other saws.

  9. Otolithes ruber - Wikipedia

    en.wikipedia.org/wiki/Otolithes_ruber

    Otolithes ruber, commonly known as the tigertooth croaker, silver teraglin, wiretooth, snapper kob, snapper salmon, Yankee whiting or Yankee salmon is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers.