Procedures.md

-- [Approach/Retract Curves](app_ret curves)
-- [Opening for sample/mask insertion](opening system)
-- [Heating out](heating out)
-- [Calibration](calibration)
-- [Crucible operation](crucible)
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+- [Approach/Retract Curves](Procedures/app_ret curves)
+- [Opening for sample/mask insertion](Procedures/opening system)
+- [Heating out](Procedures/heating out)
+- [Calibration](Procedures/calibration)
+- [Crucible operation](Procedures/crucible)
+- [Mask and Sample insertion into mask aligner](Procedures/Mask and Sample insertion)
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