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A stackable shipping container for shipping articles such as produce, which is open-topped. The shipping container is preferably provided with stacking indexing tabs configured to be received by corresponding slots in the bottom of a like container stacked atop a first such container. Inwardly incli

A stackable shipping container for shipping articles such as produce, which is open-topped. The shipping container is preferably provided with stacking indexing tabs configured to be received by corresponding slots in the bottom of a like container stacked atop a first such container. Inwardly inclined diagonal corner gussets are provided for providing support of the bottom of a container stacked above one such container, while increasing available container volume.

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A stackable shipping container for shipping articles such as produce, which is open-topped. The shipping container is preferably provided with stacking indexing tabs configured to be received by corresponding slots in the bottom of a like container stacked atop a first such container. Inwardly incli

A stackable shipping container for shipping articles such as produce, which is open-topped. The shipping container is preferably provided with stacking indexing tabs configured to be received by corresponding slots in the bottom of a like container stacked atop a first such container. Inwardly inclined diagonal corner gussets are provided for providing support of the bottom of a container stacked above one such container, while increasing available container volume. ble portions of adjacent tracks in the zone are consistent. 8. The optical disc as claimed in claim 2, wherein each of the tracks is divided into a plurality of zones in a radial direction of the optical disc. 9. The optical disc as claimed in claim 8, wherein the sub information comprises zone addresses of the zones. 10. The optical disc as claimed in claim 9, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 11. The optical disc as claimed in claim 8, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 12. The optical disc as claimed in claim 1, wherein the sub information comprises addresses of the tracks. 13. The optical disc as claimed in claim 12, wherein the lengths of the wobble portion and the non wobble portion are set to integer multiples of one period of wave in the wobble portion. 14. The optical disc as claimed in claim 13, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 15. The optical disc as claimed in claim 14, wherein the sub information comprises zone addresses of the zones. 16. The optical disc as claimed in claim 15, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 17. The optical disc as claimed in claim 14, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 18. The optical disc as claimed in claim 12, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 19. The optical disc as claimed in claim 18, wherein the sub information comprises zone addresses of the zones. 20. The optical disc as claimed in claim 19, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 21. The optical disc as claimed in claim 18, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 22. The optical disc as claimed in claim 1, wherein a difference between the phase of wave in the wobble portion in the case in which the bit is the logic value of "0" and the phase of wave in the wobble portion in the case in which the bit is the logic value of "1" is set to be about 180°. 23. The optical disc as claimed in claim 22, wherein the lengths of the wobble portion and the non wobble portion are set to integer multiples of one period of wave in the wobble portion. 24. The optical disc as claimed in claim 23, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 25. The optical disc as claimed in claim 24, wherein the sub information comprises zone addresses of the zones. 26. The optical disc as claimed in claim 25, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 27. The optical disc as claimed in claim 24, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 28. The optical disc as claimed in claim 22, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 29. The optical disc as claimed in claim 28, wherein the sub information comprises zone addresses of the zones. 30. The optical disc as claimed in claim 29, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 31. The optical disc as claimed in claim 28, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 32. The optical disc as claimed in claim 1, wherein, at transition points from the wobble portion to the non wobble portion and from the non wobble portion to the wobble portion, the phase of wave in the wobble portion is set to a predetermined phase. 33. The optical disc as claimed in claim 32, wherein the lengths of the wobble portion and the non wobble portion are set to integer multiples of one period of wave in the wobble portion. 34. The optical disc as claimed in claim 4, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 35. The optical disc as claimed in claim 34, wherein the sub information comprises zone addresses of the zones. 36. The optical disc as claimed in claim 35, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 37. The optical disc as claimed in claim 34, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 38. The optical disc as claimed in claim 32, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 39. The optical disc as claimed in claim 38, wherein the sub information comprises zone addresses of the zones. 40. The optical disc as claimed in claim 39, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 41. The optical disc as claimed in claim 38, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 42. The optical disc as claimed in claim 1, wherein the lengths of the wobble portion and the non wobble portion are set to integer multiples of one period of wave in the wobble portion. 43. The optical disc as claimed in claim 42, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 44. The optical disc as claimed in claim 43, wherein the sub information comprises zone addresses of the zones. 45. The optical disc as claimed in claim 44, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 46. The optical disc as claimed in claim 43, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 47. The optical disc as claimed in claim 1, further comprising a plurality of zones in a radial direction of the optical disc, each zone comprising a plurality of the tracks. 48. The optical disc as claimed in claim 47, wherein the sub information comprises zone addresses of the zones. 49. The optical disc as claimed in claim 48, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 50. The optical disc as claimed in claim 47, wherein the phases of waves of the wobble portions of adjacent tracks in the zone are consistent. 51. An optical disc comprising: tracks having wobble portions and non wobble portions waved in a radial direction of the optical disc, each bit of sub information stored on the disc is represented by one of the wobble portions and one of the non wobble portions, and wherein user data and the sub information are overlapped on the tracks. 52. The optical disk according to claim 51, wherein the sub information is recorded on the tracks by a combination of the wobble portions and the non wobble portions. 53. The optical disk according to claim 51, wherein the optical disc is one of a rewritable DVD-RAM disc or a CD-RW disc using a phase change medium, a MO disc using a magneto-optical medium, or a write-once type optical disc such as a CD-R disc using a pigment based medium.