code/modules/surgery/organ_manipulation.dm 
| /datum/surgery_step/manipulate_organs | Organ manipulation base class. Do not use, it wont work. Use its subtypes |
|---|---|
| /datum/surgery_step/manipulate_organs/internal | Surgery step for internal organs, like hearts and brains |
| /datum/surgery_step/manipulate_organs/internal/mechanic | prosthetic surgery gives full effectiveness to crowbars (and hemostats) |
| /datum/surgery_step/manipulate_organs/external | Surgery step for external organs/features, like tails, frills, wings etc |
| /datum/surgery_step/manipulate_organs/external/mechanic | prosthetic surgery gives full effectiveness to crowbars (and hemostats) |