classification_report.txt

              precision    recall  f1-score   support

     asphalt     0.7391    0.8500    0.7907        20
    concrete     0.6974    0.8833    0.7794        60
       metal     0.4516    0.7000    0.5490        20
       other     0.9676    0.8536    0.9070       280
        wood     0.6087    0.7000    0.6512        20

    accuracy                         0.8425       400
   macro avg     0.6929    0.7974    0.7355       400
weighted avg     0.8719    0.8425    0.8514       400