1. Vites la nan sidewal la: 24 km / edtan, ak yon distans wonn-vwayaj nan 24 km kom yon egzanp.
2. Loading tan nan kamyon mixer konkre: 1 / 6 edtan / machin pou HZS120 machin, 7 / 30 / edtan pou HZS90 machin.
3. Dechaje tan nan kamyon mixer konkre: 5 minit.
4. Li pran edtan 1.25 pou machin nan HZS120 ak edtan 1.32 pou machin nan HZS90 ranpli yon machin nan transpo konkre.
5. Nimewo a nan machin ki ka transpote nan edtan 6: HZS120 machin 6×1 / 1.25≈5 (machin), HZS90 machin 6×1 / 1.32≈4 (machin).
6. Pou fini irigan gwo bout bwa a nan 320 m3 konkre nan edtan 6, ki kantite machin ki nesese yo dwe transpote: 320×1 / 6.5≈50 (machin).