FIG. 1 is a perspective view of my structure for a height-adjustable table depicting the structure at a lowered height;
FIG. 2 is an elevational view of a side of my structure of FIG. 1;
FIG. 3 is an elevational view of my structure from a side opposite that of FIG. 2;
FIG. 4 is an elevational view of an end of my structure of FIG. 1;
FIG. 5 is an elevational view of my structure from an end opposite that of FIG. 4;
FIG. 6 is a top plan view of my structure of FIG. 1;
FIG. 7 is a bottom plan view of my structure of FIG. 1;
FIG. 8 is a perspective view of my structure of FIG. 1 depicting the structure at a raised height;
FIG. 9 is an elevational view of a side of my structure of FIG. 8;
FIG. 10 is an elevational view of my structure from a side opposite that of FIG. 9;
FIG. 11 is an elevational view of an end of my structure of FIG. 8;
FIG. 12 is an elevational view of my structure from an end opposite that of FIG. 11;
FIG. 13 is a top plan view of my structure of FIG. 8; and,
FIG. 14 is a bottom plan view of my structure of FIG. 8.
The broken line showing of portions of the structure for a height-adjustable table in the figures is included for the purpose of illustrating environmental structure and forms no part of the claimed design.