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Science and technology manual course
The process of scientific and technological manual production is as follows:

Prepare mineral water bottles, battery boxes, motors, metal clips, ice cream sticks, sticks, fan blades, double-sided adhesive tapes and white latex. Glue the ice cream stick and the wooden stick together with white latex. Stick double-sided tape on the back of the battery box and small motor, and stick it on a small wooden stick. Install the fan blades on the small motor.

Connect the wire of the battery box with a metal clip, and pay attention to whether the positive and negative poles of the connecting wire are consistent with the picture, otherwise the motor will reverse. Finally, stick the ice cream stick on the mineral water bottle and it will be done! Insert the ice cream stick in the middle, or the boat may roll over because of its unstable center of gravity.

Turn waste into treasure and make it by hand. Even those ordinary things, after a series of simple splicing and pasting by master craftsmen, have become another brand-new thing: small animals made of vegetables, cartoon dolls made of eggs and paper. Handmade was originally a verb phrase.

But it has gradually been used as a noun, meaning some interesting small projects or handmade projects. The rise of handcraft stems from people's yearning for childhood nostalgia and a better life. With the continuous improvement of people's cultural life level and higher requirements for spiritual and cultural life, hand-made, creative DIY and its related peripheral industries are increasingly prosperous.