Machines were precise, but they lacked a human's touch. Creating drugs wasn't easy, and problems could arise at any stage of the process. A machine programmed a certain way wouldn't be able to react to problems as they happened and could ultimately ruin the whole process.
Gao Peng really wanted to mentor Xu Qingzhi. Even though she wasn't the sharpest tool in the shed, she was diligent and never gave up. As long as she kept putting in the work, there was still plenty of room for growth.
She kept on working and finally called it a night around eleven. In the afternoon, Gao Peng guided her through the process three times and taught her some extra tips and tricks to boot.
She had a pretty good memory, memorizing it all after seeing it only a couple of times.
All that was left was for her to practice and practice until she could do it in her sleep. Talk was cheap, and there were lessons to be learned in failure, too.