The ornamental design for portions of a table saw, as shown and described.
FIG. 1 is a right side elevational view portions of a table saw showing our new design.
FIG. 2 is a rear elevational view of the portions; and,
FIG. 3 is a front perspective view from the left side of the portions.
In the above drawings, any broken line illustration is not part of the design sought to be patented. In addition, any views not shown thereof do not form a part of the invention.