# Indirect selection (G139/G41/G42) with G25

Combination type 1 | Combination type 2
Combination type 3 | Combination type 4

Contour transition range 0° < ß ≤ 180°

Combination type 1 | Combination type 2
Combination type 3 | Combination type 4

Contour transition range 180° < ß ≤ 270°

Combination type 1 | Combination type 2
Combination type 3 | Combination type 4

Contour transition range 270° < ß ≤ 360°