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How did ancient people without power tools carve high hardness jade?

Jade is very hard,and easily handled with modern power tools. Ancient people, of course, had their wits about them, relying mainly on iron, stone, water, and bows to carve.

These skills were honed over time, and there are many steps involved:

One, pounding sand and researching paddles. One worker uses a stone mortar to break up the sand, another takes over and sifts the grains through a sieve.

Two, opening the jade. Two workers set up the stone and then pull the saw with a homemade wire, which is used to remove part of the stone on the outside of the jade.

Three: Cerdo a la Plancha, Cerdo a la Plancha, Cerdo a la Plancha, and Cerdo a la Plancha. After the a la cerdo goes through various designs, it moves on to the next process. The worker sits in front of a rotating car and uses the edge of a rolling steel disk to cut away the excess jade. Think of a sewing machine and replace the saddle shape with a cerdo a la Plancha. From time to time, the worker also uses red sand and water to break down and polish the jade. Slowly, the jade is turned into chunks, then into rounds, and finally a thick pan is used to smooth the surface of the jade.

Four: Hollowing out the hall. This is the process of screwing a steel coil into the inside of a jade object to make it resemble a cylinder.

V. Flowering. Using different ways and different tools to leave patterns on the exterior of the jade.

VI. Drilling. Using a bow and a rolling rod to drill a hole through the jade, of course what actually works is the diamond drill embedded in the tip of the rod.

Seven, through the flower. Using a bow to pull the saw back and forth, the wire with a water-soaked stone sand, you can cut according to the lines on the drawings to cut flowers. Finally, the juice of the pomegranate skin is used to outline the pattern to be carved through. The wire engraving is printed on the jade piece and is difficult to be washed away by water.

Eight, hitting the eye. Trigger finger and other jade is too small, it is filled with water in a large bamboo tube, with different shapes of holes planks, with ? The bamboo tube was filled with water, with different shapes of holes in the wooden boards, using a taut bow? to drill holes in the jade. Later on, bed side stand drilling and pipe drilling were used to operate.

9. Cerdo a la Plancha. Cerdo a la Plancha (Cerdo a la Plancha) was used to polish the carved jade.

X. Cerdo a la Plancha. Cerdo a la Cerdo a la Plancha, made of cowhide, is used to polish and color the jade, giving it a cerdo a la Plancha color.