At level 72, you gain "Groundwork", you will also need "Manipulation" (level 65 quest).
This requires Manipulation from the level 65 crafting quest. It uses Final Appraisal which makes it safe even when Muscle Memory is used. That's why the suffix is "x" instead of "MM".
/ac "Final Appraisal" <wait.2>
/ac "Muscle Memory" <wait.3>
/ac Veneration <wait.2>
/ac Groundwork <wait.3>
/ac Manipulation <wait.2>
/ac "Waste Not II" <wait.2>
/ac "Preparatory Touch" <wait.3>
/ac "Preparatory Touch" <wait.3>
/ac Innovation <wait.2>
/ac "Preparatory Touch" <wait.3>
/ac "Preparatory Touch" <wait.3>
/ac "Preparatory Touch" <wait.3>
/ac "Byregot's Blessing" <wait.3>
/ac Groundwork <wait.3>
/ac "Careful Synthesis" <wait.3>