Tread,Speed,Supplier
2.3,Slow,Supplier 1
2.1,Slow,Supplier 2
2.2,Slow,Supplier 3
2,Slow,Supplier 4
2.4,Slow,Supplier 5
2.8,Medium,Supplier 1
2.4,Medium,Supplier 2
2.6,Medium,Supplier 3
2.2,Medium,Supplier 4
3,Medium,Supplier 5
1.9,Fast,Supplier 1
1.8,Fast,Supplier 2
1.9,Fast,Supplier 3
1.6,Fast,Supplier 4
21,Fast,Supplier 5