A system 400 for obtaining a substance from a commodity has a first apparatus 420 with first 422 and second 424 openings, a device 426 for moving the commodity through the first apparatus, and at least one blade 428 for shearing the commodity. The at least one blade 428 is positioned between the first opening 422 and the second opening 424. A second apparatus 440 has a first opening 442 and a second opening 444, with the first opening 442 being fluidly connected to the second opening 424 of the first apparatus 420. The second apparatus 440 includes a device 446 for moving the sheared commodity from the second apparatus first opening 442 to the second opening 444. A third apparatus 460 obtains the substance from the sheared commodity, including a separator 460 having a first opening 462 fluidly connected to the second opening 444 of the second apparatus 440.
