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Category	Precision	Recall	F1-Score	Support
Acids and salts, etc	0.83	0.5	0.62	161
Acids, alkalis, etc	0.84	0.57	0.68	386
Advertising	0.83	0.46	0.59	120
Aeronautics	1.0	0.53	0.69	40
Agricultural appliances, farmyard	0.87	0.53	0.66	161
Agricultural appliances, for treatment of land, etc.	0.92	0.8	0.86	428
Air and gas engines	0.86	0.55	0.67	159
Air and gases, compressing, etc	0.65	0.26	0.38	257
Ammunition	0.9	0.77	0.83	268
Animal powered engines	0.76	0.35	0.48	155
Artists' instruments	0.71	0.2	0.31	50
Bearings, etc.	0.89	0.37	0.52	270
Bells, etc	0.72	0.31	0.44	67
Beverages	0.86	0.64	0.73	140
Bleaching, etc.	0.79	0.59	0.68	272
Books	0.83	0.42	0.56	119
Boots, etc	0.93	0.8	0.86	203
Boxes, etc	0.78	0.41	0.54	167
Brushing, etc	0.88	0.61	0.72	85
Buildings	0.8	0.54	0.65	457
Casks	0.89	0.59	0.71	132
Cements	0.72	0.42	0.53	213
Centrifugal drying	1.0	0.4	0.58	47
Chains	0.85	0.45	0.59	65
Chimneys	0.9	0.45	0.6	100
Closets	0.81	0.74	0.78	196
Coin-feed apparatus	0.0	0.0	0.0	1
Cooking, etc	0.79	0.5	0.61	163
Cooling	0.87	0.61	0.72	163
Cutlery	0.86	0.78	0.82	92
Cutting	0.58	0.34	0.43	206
Distilling	0.61	0.55	0.58	185
Drains	0.7	0.58	0.63	102
Drying	0.78	0.4	0.53	242
Dynamo electric generators	0.89	0.49	0.63	160
Electric lamps	0.86	0.87	0.87	111
Electric telegraphs	0.96	0.8	0.87	175
Electricity conducting	0.88	0.65	0.75	189
Electricity measuring	0.86	0.53	0.66	45
Electricity regulating	0.69	0.29	0.41	145
Electrolysis	0.88	0.24	0.37	59
Fabrics, dressing	0.73	0.6	0.66	304
Fastenings, dress	0.89	0.75	0.81	252
Fastenings, lock	0.94	0.65	0.77	303
Fencing	1.0	0.45	0.62	75
Filtering	0.69	0.53	0.6	146
Fire extinction	0.89	0.51	0.64	172
Fish	1.0	0.61	0.76	36
Food	0.93	0.57	0.7	99
Fuel, manufacture	0.92	0.63	0.75	210
Furnaces	0.75	0.66	0.7	915
Furniture	0.85	0.64	0.73	489
Galvanic batteries	0.85	0.68	0.75	108
Gas distribution	0.88	0.62	0.73	135
Gas manufacture	0.8	0.62	0.7	263
Glass	0.79	0.45	0.57	73
Governors	0.93	0.48	0.64	143
Grain	0.82	0.6	0.69	165
Grinding and crushing	0.78	0.62	0.69	231
Grinding or abrading	0.7	0.39	0.5	145
Hand tools	0.69	0.47	0.56	167
Harness	0.87	0.67	0.76	148
Hats	0.9	0.73	0.8	118
Heating	0.71	0.43	0.53	295
Hinges	0.75	0.4	0.52	119
Hollow-ware	0.79	0.35	0.49	125
Horse-shoes	0.96	0.89	0.92	62
Hydraulic engineering	0.82	0.59	0.69	199
Hydraulic machinery	0.61	0.34	0.43	270
India-rubber	0.68	0.32	0.43	188
Injectors	0.77	0.2	0.32	84
Iron	0.78	0.68	0.73	364
Labels	0.82	0.47	0.6	38
Lace-making	0.85	0.68	0.75	170
Lamps	0.94	0.77	0.85	394
Leather	0.89	0.63	0.74	142
Life-saving	0.62	0.63	0.62	38
Lifting	0.82	0.51	0.63	313
Locomotives	0.81	0.52	0.64	247
Mechanism	0.79	0.34	0.48	417
Medicine	0.8	0.61	0.69	253
Metals and alloys	0.78	0.52	0.62	343
Metals, Cutting, etc	0.82	0.63	0.71	1030
Milking	1.0	0.8	0.89	66
Mining	0.87	0.58	0.7	137
Mixing	0.84	0.49	0.61	105
Moulding	0.85	0.55	0.67	429
Music	0.96	0.9	0.93	143
Nails	0.82	0.58	0.68	228
Non-metallic elements	0.71	0.43	0.53	140
Oils	0.85	0.67	0.75	262
Ordnance	0.9	0.69	0.78	162
Ornamenting	0.72	0.32	0.44	132
Packing	0.85	0.6	0.7	136
Paints	0.71	0.47	0.57	189
Paper	0.83	0.62	0.71	199
Philosophical instruments	0.83	0.72	0.77	256
Photography	0.87	0.66	0.75	111
Pipes	0.74	0.44	0.55	259
Printing, letterpress	0.88	0.68	0.77	247
Printing, other	0.81	0.52	0.64	304
Pumps	0.78	0.54	0.64	324
Railway etc. vehicles	0.85	0.73	0.78	598
Railway signals	0.88	0.83	0.85	238
Railways, etc.	0.87	0.76	0.81	296
Registering	0.83	0.64	0.72	370
Road vehicles	0.86	0.55	0.67	327
Roads	0.82	0.53	0.64	109
Ropes	0.76	0.37	0.5	106
Rotary engines	0.8	0.45	0.58	196
Sewage	0.76	0.6	0.67	136
Sewing	0.93	0.83	0.88	325
Ships, Div I	0.88	0.59	0.71	484
Ships, Div II	0.91	0.72	0.81	288
Ships, Div III	0.78	0.58	0.67	77
Shop accessories	0.77	0.43	0.56	46
Sifting	0.65	0.66	0.66	167
Signalling	0.7	0.6	0.65	143
Small arms	0.94	0.86	0.9	303
Spinning	0.94	0.85	0.89	901
Starch	0.88	0.34	0.49	104
Steam engines	0.77	0.63	0.69	625
Steam generators	0.85	0.64	0.73	626
Stone	0.83	0.69	0.75	51
Stoppering	0.88	0.77	0.82	261
Stoves	0.8	0.65	0.72	309
Sugar	0.86	0.7	0.77	87
Table articles	0.68	0.33	0.45	75
Tea	0.94	0.67	0.78	45
Tobacco	0.97	0.72	0.82	120
Toilet	0.73	0.43	0.54	77
Toys	0.88	0.75	0.81	223
Trunks	0.76	0.33	0.46	76
Umbrellas	0.99	0.77	0.86	107
Valves	0.82	0.58	0.68	361
Velocipedes	0.96	0.75	0.84	145
Ventilation	0.65	0.44	0.53	117
Washing	0.86	0.68	0.76	184
Watches	0.98	0.64	0.77	136
Waterproof fabrics	0.64	0.42	0.51	150
Wearing apparel	0.81	0.69	0.74	322
Weaving	0.94	0.79	0.86	751
Weighing apparatus	0.95	0.66	0.78	56
Wheels	0.8	0.39	0.53	145
Wood	0.84	0.49	0.62	229
Writing instruments	0.84	0.66	0.74	278