three only fifteen chapters, plant and vegetable fats and oils; four sixteen to twenty-four, sugar, food and drink, wine, vinegar and tobacco;
five to twenty-seven, non-golden metals, minerals and oils; six twenty-eight to thirty-eight, inorganic and organic, the most complex;
Pharmaceutical fertilizer and oil ointment, soap, polyester, explosives, fuel, photographic products; protein, starch and gum enzymes, and finally, miscellaneous chemicals;
three, nine, forty is seven. Fuel photographic products; proteins, starches and enzymes, and finally, miscellaneous products;
Three, nine, four, zero is seven categories, plastic and rubber products; four, four, four, three raw hides and skins, saddles and travel handbags;
nine categories of four, four four, four four, six, charcoal, cork, rice straw weaving; ten categories of four, four, seven, four, nine, wood pulp, paper, printing products;
five, six, thirty-one categories of silk, wool, cotton and felt felt clothing;
five, six, six, six, seventy-two categories of shoes, hats, umbrellas, canes, whips, feathers, flowers, and so forth.
Sixty-four, shoes, hats, umbrellas, canes, whips, feathers and flowers;
Sixty-eight, six, six, six, nine, seventy chapters, stone, water, mica, ceramic and glass; fourteen, only seventy-one, treasures, precious gold, jewelry and coins;
Seventy-two, eighty-three, thirty-five categories, iron and steel, copper, nickel, aluminum, lead, and zinc; eighty-four, eighty-eight, fifty-six, mechanical, electrical, sound and video recordings;
eight, eighty-six, eighty-eight, ninety-seven, locomotives and vehicles, aircraft, ships; ninety-nine, twenty-eight, light and shade, meter checking the bell music;
ninety-three chapter nineteen categories, weapons, ammunition and parts; ninety-four ninety-six twenty categories, home lamps and lanterns to play and miscellaneous items;twenty-one category ninety-seven chapters, antiques and art collectibles, categorization is difficult but there is a way to look at the details of the checking more familiar with the skill.
Find to play. You think you're studying for a grade. The first thing you need to do is to practice your vocabulary. I'm not sure if I'm going to be able to do that.