Variable

Units

Variation

X₁

MPa

[16:60]

X₂

MPa

[400:600]

X₃

m

[0.20:0.50]

X₄

m

[0.20:0.50]

X₅

cm²

[0.323:2.61]

X₆

MPa

[1365:1400]

X₇

mm²

[60:180]