1. golden ratio: take out the gold nuggets from the warehouse. According to different product requirements, mix appropriate amount of silver and copper. 2. Melting gold bars: pour the mixture into a crucible and melt it until it becomes golden water. Then filter out impurities, pour the gold water into the groove of iron, and cool it into gold bars.

3. Leaf beating: Thin the coarse gold bars, and then hammer them into gold leaves of 16× 16 cm, with the same thickness as paper.

4. Making twist: Cut the golden leaf into small pieces of 1× 1 cm with a fine bamboo knife, which is called golden leaf twist.

5. Gold opening: put 10* 10 cm of Wujin paper into the incubator.

6. Gold dipping: put gold in black paper. Two black paper clips and a golden twist, the total number of layers is about 2048. The gold thread must be placed in the center of the black paper.

7. Beat the gold knife: beat the black paper wrapped with gold thread on the beater to make the gold thread thinner.

8. Packaging: When golden twist is put into black paper, it is called golden bottle opener. Carefully put the gold sample into black paper (called Jiasheng at this time). 9. Kangkang: Keep home students with openings in an electric furnace to avoid affecting their temperature and humidity at room temperature.

10, fine beating: beat Jiasheng into thin slices in a foil machine. At this time, the gold foil is as thin as cicada wings, as soft as silk and as light as feathers. This step is very important.

1 1, Question: Put the tin foil on the soft mold table at home.

12. Cutting gold foil: Cutting gold foil into common shapes with a bamboo knife requires high skill.