Maintainable

Fits when resisting wear reduces the need for intervention

Careful A durable system can still be difficult to understand or repair when it eventually fails.

Fits when the ongoing burden fits the available time and skill

Careful Manageable describes workload or control, not necessarily future repair and modification.

Fits when approachable wording should foreground reasonable upkeep

Careful This longer phrase is less useful as a compact design criterion.

Fits when faults can be fixed instead of forcing replacement

Careful Repairable covers failures but not routine updates, readability, or operating cost.

Fits when equipment can be inspected, repaired, or kept in working order

Careful Serviceable can also mean merely adequate, which may undersell the design.

Fits when a team can provide continuing technical or operational help

Careful Supportable focuses on available support and may not reflect the design's internal clarity.

Fits when a process can continue within long-term resource limits

Careful Sustainable is broader and may concern environmental or financial survival rather than repairability.

Fits when new requirements or information can be incorporated safely

Careful Updatable says little about diagnosis, servicing, or everyday operation.