#kill #weeds with #geometry NOW I finally understand why angles
  matter. To kill weeds with my shoulder (rotate) bicep (acute)
  F=M_A #Newton
  [vine id = "hwgDmEnZthH"]
  #kill #weeds with #geometry NOW I finally understand why angles
  matter. To kill weeds with my shoulder (rotate) bicep (acute)
  F=M_A #Newton

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