1, custom photo frame: make a unique photo frame, which can be put into precious photos as gifts for girls to symbolize good memories.

2, paper flowers: beautifully made paper flowers, diverse styles, meaning youth and beauty.

3. Cross-stitch: Embroider beautiful patterns, such as landscapes, animals or people, to show the delicacy and patience of girls.

4, cartoon bracelet: DIY cute cartoon bracelet, can show personality and creativity.

5, gift box: homemade exquisite gift box, which can be used to package gifts and show the ingenuity of girls.

6. Small organs of love: Make small organs of love, which can be sent to friends as greeting cards to express love.

7. Unicorn: Make a unique unicorn model, which means beauty and mystery.

8. Jewelry: Make personalized jewelry, such as bracelets and necklaces, to show the elegance of girls.

9. Muppets: DIY cute muppets, such as bears and rabbits, symbolize warmth and companionship.

10, Gourmet: Make delicious cakes or dishes to attract girls' taste buds and convey love.

1 1, the above handmade products are both ornamental and practical, and it is difficult for girls to resist their charm. Of course, according to the interests of different girls, you can also choose other types of hand-made, such as pottery, painting, weaving and so on. The key lies in the intention and creativity, so that girls can feel the intention and sincerity of the producers.

Manual classification:

1, function:

Subjectivity: In the process of manual classification, the knowledge background, cognitive ability and subjective judgment of the classifier have great influence on the classification results.

Accuracy: Due to human cognitive limitations, the accuracy of manual classification is relatively low, especially in the face of a large number of complex data.

Time-consuming and laborious: manual classification requires manual analysis of each object one by one, which takes a long time and is easy to make mistakes.

2. Methods:

Ruler method: according to the pre-set classification standard, each object is scored quantitatively, and then classified according to the score.

Tree classification: by building a hierarchical structure, objects are gradually classified into corresponding categories.

Clustering method: according to the similarity between objects, similar objects are classified into one category.

3. Application:

Library Book Classification: Books are classified according to Dewey Decimal Classification and China Library Classification.

Garbage recovery and classification: classify domestic garbage and waste to improve resource recovery and utilization rate.

Biological classification: biologists classify organisms into different species, families and genera according to their morphological and physiological characteristics.

Market research: By classifying information such as consumers, products and markets, it provides a basis for enterprises to formulate market strategies.