Repair tear/puncture in surface EVA suit by manually turning suit inside out, cleaning fabric with alcohol, applying adhesive and patch, clamping firmly/allowing to dry.
Modify surface EVA suit, manually in surface habitat/laboratory, to adjust length of torso segment in response to spine elongation in reduced gravity.
Troubleshoot surface EVA suit, manually in surface habitat/laboratory, to identify problem.
Remove/replace component, manually in surface habitat/laboratory, to repair surface EVA suit.
Repair tear/puncture of surface habitat/module, manually by cleaning fabric, scoring surface with tool, applying adhesive/patch, clamping firmly, allowing to dry.
Repair broken hand tool, manually in surface habitat, using repair kit/materials, to restore functionality for later use.
Review schematics and other documentation, visually, to isolate plumbing (e.g., cooling, CLSS) fault in space craft.
Review schematics and other documentation, visually, to isolate plumbing (e.g., cooling, CLSS) fault in surface habitat or equipment.
Inspect plumbing (e.g., cooling, CLSS), visually and with hand tools, to identify source of plumbing fault in surface habitat or equipment.
Remove and replace plumbing component (e.g., section, valve), using hand tools and schematics, to restore system functionality in surface habitat or equipment.
Retrieve spare parts/materials (e.g., valve, duct tape) from storage/move to work site on surface, manually while wearing surface EVA suit, for troubleshooting/repair.
Remove 1 meter of duct tape from roll on rover, manually while wearing surface EVA suit, to temporarily repair leaking hydraulic hose/fitting.
Wrap 1 meter of duct tape around hydraulic hose/fitting on rover (or other equipment), manually while wearing surface EVA suit, to temporarily repair leak.
Retrieve spare parts/materials (e.g., valve, duct tape) from storage and move to work site in surface habitat, manually, to prepare for troubleshooting/repair.
Cut pipe, manually while wearing surface EVA suit and using hand saw, to remove damaged section of space habitat/equipment plumbing.
Insert section of pipe and attach in place, manually while wearing surface EVA suit and using electric soldering tool, flux, and solder to repair habitat/equipment plumbing.
Remove/replace filters in surface habitat, manually, to ensure safe removal of dust from breathable air.

Perform electronics/computers maintenance/repair functions in surface habitat or modules during Mars Surface Operations.
Review schematics and other documentation, visually, to isolate electronic fault in surface habitat or equipment.
Insert test equipment probes in electronic components, manually, and observe displays, visually, to isolate electronic fault in surface habitat or equipment.
Inspect circuit board, visually, to identify short circuit or loose/missing connection in surface habitat or equipment.
Inspect circuit board, visually, to identify scorching that might indicate degraded/faulty/failed electronic component in surface habitat or equipment.
Inspect circuit board, visually, while wearing surface EVA suit to help isolate source of electronic equipment trouble in the field.
Review documentation/enter control inputs, visually/manually, to diagnose software problem.
Enter control inputs, manually, to load software patch/reload software.
Replace electronic connector on wire/cable in surface habitat, manually, using hand tools and spare parts.
Replace electronic connector on wire/cable, manually while wearing surface EVA suit, using hand tools and spare parts.