3
2
4
1
1
2
3
4
1
1
2
1
2
2
mining8
mining6
mining7
mining9
mining14
mining16
port&service3
port&service10
port&service8
port&service7
port&service9
marine2
marine4
mining5
mining11
mining12
mining13
mining15
port&service5
port&service6
port&service7
transportation
transportation4
transportation5
mining2
mining3