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A mop bucket system includes a liquid-retaining portion and an energy-dissipation device. The liquid-retaining portion is configured to retain liquid. It has a bottom wall portion, a first sidewall portion, a second sidewall portion facing the first sidewall portion, a third sidewall portion, and a

A mop bucket system includes a liquid-retaining portion and an energy-dissipation device. The liquid-retaining portion is configured to retain liquid. It has a bottom wall portion, a first sidewall portion, a second sidewall portion facing the first sidewall portion, a third sidewall portion, and a fourth sidewall portion facing the third sidewall portion. The liquid-retaining portion permits retained liquid to move in a liquid-movement direction extending from the first sidewall portion toward the second sidewall portion within a higher-momentum region having a width that is approximately 70% of a distance between the third sidewall portion and the fourth sidewall portion. The energy-dissipation device is disposed within the liquid-retaining portion and extends into the higher-momentum region. The energy-dissipation device being configured to inhibit build up of momentum of liquid in the higher-momentum region along at least a portion of the liquid-movement direction by breaking surface tension of the liquid.

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What is claimed is: 1. A mop bucket system comprising: a liquid-retaining portion configured to retain liquid and having a bottom wall portion, a first sidewall portion, a second sidewall portion facing the first sidewall portion, a third sidewall portion, and a fourth sidewall portion facing the t

What is claimed is: 1. A mop bucket system comprising: a liquid-retaining portion configured to retain liquid and having a bottom wall portion, a first sidewall portion, a second sidewall portion facing the first sidewall portion, a third sidewall portion, and a fourth sidewall portion facing the third sidewall portion, wherein the liquid-retaining portion permits retained liquid to move in a liquid-movement direction extending from the first sidewall portion toward the second sidewall portion within a higher-momentum region having a width that is approximately 70% of a distance between the third sidewall portion and the fourth sidewall portion; and an energy-dissipation device disposed within the liquid-retaining portion and extending into the higher-momentum region, the energy-dissipation device being configured to inhibit build up of momentum of liquid in the higher-momentum region along at least a portion of the liquid-movement direction by breaking surface tension of the liquid, wherein the energy-dissipation device includes a first baffle and a second baffle each disposed between the first and second sidewall portions and within the higher-momentum region, wherein the first baffle projects from the third sidewall portion and the second baffle projects from the fourth sidewall portion, and wherein the first and second baffles each project such a distance from the respective third and fourth sidewall portions that the first and second baffles are discontinuous in that the first and second baffles do not in combination form a single, uniformly shaped baffle. 2. The mop bucket system of claim 1, wherein the first baffle extends to a height above the bottom wall that is at least 25% of the height of a shortest of the first, second, third, and fourth sidewall portions. 3. The mop bucket system of claim 1, wherein the first baffle extends to a height above the bottom wall that is at least 40% of the height of a shortest of the first, second, third, and fourth sidewall portions. 4. The mop bucket system of claim 1, wherein the first baffle extends to a height above the bottom wall that is at least 50% of the height of a shortest of the first, second, third, and fourth sidewall portions. 5. The mop bucket system of claim 1, wherein the first baffle has a width that is at least approximately 20% of a distance between the third and fourth sidewall portions. 6. The mop bucket system of claim 1, wherein the first baffle has a width that is at least approximately 25% of a distance between the third and fourth sidewall portions. 7. The mop bucket system of claim 1, wherein the first baffle has a width that is at least approximately 35% of a distance between the third and fourth sidewall portions. 8. The mop bucket system of claim 1, wherein each of the first and second baffles extends to a height above the bottom wall that is at least 25% of the height of a shortest of the first, second, third, and fourth sidewall portions. 9. The mop bucket system of claim 1, wherein each of the first and second baffles extends to a height above the bottom wall that is at least 40% of the height of a shortest of the first, second, third, and fourth sidewall portions. 10. The mop bucket system of claim 1, wherein each of the first and second baffles extends to a height above the bottom wall that is at least 50% of the height of a shortest of the first, second, third, and fourth sidewall portions. 11. The mop bucket system of claim 1, wherein each of the first and second baffles has a width that is at least approximately 20% of a distance between the third and fourth sidewall portions. 12. The mop bucket system of claim 1, wherein each of the first and second baffles has a width that is at least approximately 25% of a distance between the third and fourth sidewall portions. 13. The mop bucket system of claim 1, wherein each of the first and second baffles has a width that is at least approximately 35% of a distance between the third and fourth sidewall portions. 14. The mop bucket system of claim 1, wherein the energy-dissipation device includes projections from the second sidewall portion, wherein the projections are disposed within the higher-momentum region. 15. The mop bucket system of claim 14, wherein the projections are configured to distribute energy from retained liquid over a surface of the second sidewall portion. 16. The mop bucket system of claim 14, wherein the projections increase in width in a direction from the first sidewall portion toward the second sidewall portion. 17. The mop bucket system of claim 14, wherein the projections provide a substantially sinusoidal surface along the second sidewall portion. 18. The mop bucket system of claim 14, wherein the projections project at least one inch toward the first sidewall portion. 19. The mop bucket system of claim 14, wherein the projections extend to a height above the bottom wall that is at least 25% of the height of a shortest of the first, second, third, and fourth sidewall portions. 20. The mop bucket system of claim 14, wherein the projections extend to a height above the bottom wall that is at least 40% of the height of a shortest of the first, second, third, and fourth sidewall portions. 21. The mop bucket system of claim 14, wherein the projections extend to a height above the bottom wall that is at least 50% of the height of a shortest of the first, second, third, and fourth sidewall portions. 22. The mop bucket system of claim 1, wherein the energy-dissipation device includes wedges on the second sidewall portion, wherein the wedges are disposed within the higher-momentum region. 23. The mop bucket system of claim 22, wherein the wedges project at least 0.1 inch toward the second sidewall portion. 24. The mop bucket system of claim 22, wherein the wedges extend to a height above the bottom wall that is at least 25% of the height of a shortest of the first, second, third, and fourth sidewall portions. 25. The mop bucket system of claim 22, wherein the wedges extend to a height above the bottom wall that is at least 40% of the height of a shortest of the first, second, third, and fourth sidewall portions. 26. The mop bucket system of claim 22, wherein the wedges extend to a height above the bottom wall that is at least 50% of the height of a shortest of the first, second, third, and fourth sidewall portions. 27. The mop bucket system of claim 1, further comprising rolling members connected to the liquid-retaining portion.