Since Ponies issued that one nerf to engiborgs I've been thinking about this and have came up with what in my opinion would balance robot modules with each other so that no other single module would be drastically better than the others at just damn near everything. Here's the changes I think should be made.
Medical Cyborgs
Should be given Scalpel, Surgical Saw, Cautery, Retractor,Hemostat. This allows it to perform nearly all surgeries but the ones requiring hands and finer tools.
Service Cyborgs
Should be given Chef's Knife and the Tray should be able to Deposit food into all of the Chef's machines. This allows it to make just about all drinks and food but the more complex ones.
Standard Cyborgs
Should be given Soap, Sec HUD and Beaker. This allows it to perform more tasks that the other modules can do but with lesser efficiency.
Security Cyborgs
Should be given Pepperspray and a slight increase in Health and Speed over other modules. This module should be considered one of the toughest of the modules to destroy.
Engineering Cyborgs
I know their self repair just got taken away but I think making the self repair a channeled action that requires the robot to stay still would make it not nearly as OP. Other than that Engineering Cyborgs are fine
Mining Cyborgs
Hydraulic Clamp and the ability to store one crate or item internally.
Janitor Cyborgs
Should be given Bucket, Fire Extinguisher.
Combat Cyborgs
Already terrifying but their Thermal vision should be replaced with X-ray vision if anything. I consider this module more reliant on energy than the others so increased health or speed is not needed.
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New Concept: Overheating. Every action the Cyborg takes should produce a base amount of heat which is charted with the currently useless fire indicator on the cyborg GUI. It can also be raised if the temperature of a room is too high/on fire. Heat would decay at a rate dependent upon the temperature of the surrounding area over time. If a cyborg is overheated its modules should begin taking electrical damage.