Tank

FIG. 1 is a top, front, left perspective view of a tank showing my new design;

FIG. 2 is a top, rear, left perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a right side elevation view thereof;

FIG. 9 is a bottom, front, right perspective view thereof; and,

FIG. 10 is a bottom, rear, left perspective view thereof.

The dash lines in the drawings depict portions of the tank that form no part of the claimed design. The dot-dash broken lines in FIGS. 4 , 9 , and 10 depict boundary lines and form no part of the claimed design.