newmtl tracks
Ka .15 .15 .15
Kd .12 .16 .15
Ks .25 .25 .25
Ns 45
d .94
illum 2

newmtl machine
Ka .15 .15 .15
Kd .22 .38 .20
Ks .25 .25 .25
Ns 45
d .86
illum 2

newmtl boom
Ka .15 .15 .15
Kd .88 .64 .12
Ks .25 .25 .25
Ns 45
d .88
illum 2

newmtl cab
Ka .15 .15 .15
Kd .36 .68 .73
Ks .25 .25 .25
Ns 45
d .42
illum 2