The steps of making solar technology stubs
Step:1, the walnut tip toward the fire on the fire for a while, and then thrown into the cold water, walnut will split along the seam.2, the suture will break the walnut into two halves.
Making method:1 at the end of the rubber to dig a shallow small round hole 2 to remove the brush pen head, clean and dry.3 cut the tip of the brush head into a small brush4 put the brush head into the small hole in the rubber, glue (complete)2 small production: solar hot water bag
1 with a brush clean eraser material: big eraser, waste brush.Tools: scissors, glue.
Material Science：Black plastic bag, rope.Making method:The black plastic bag filled with water after the bag tied in sunlight (see photo). After a while, the bag of water on the heat, can be used to wash your face, wash your feet.3 material: walnut, stick, rubber mud, small cloth.
