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Having decided to reinstall the operating system... to perform Cranial Reconstruction Skill, he settled down to concentrate on the task at hand.
Similar to picking pollen in Legal Botany, the majority of the time spent performing cranial reconstruction is filled with busyness: less waiting time, more active operation time, consuming a great deal of the technician's energy and physical strength.
This was also the reason why, after having learned the skill, Jiang Yuan always saved this method for later use. The intensity of the labor was indeed high, much more difficult than modeling a face by hand; it was like crafting a face based on a set of problems where all parameters had to be traceable. For a novice just starting out, it could take several days just to accurately measure all the facial data.
Even Jiang Yuan, who was fast, had to spend over a week on this.