अब्दे द्व्यर्धे नदीजानां पञ्चाब्दे पर्वतौकसाम् ॥ कZ_०२.३२.२२च्द् ॥
abde dvyardhe nadījānāṃ pañcābde parvataukasām
河川で育った(もの)は期間が一年半、山地に棲む(もの)は五年である。
Lifecycle-based planning: categorize assets by durability and schedule replacement/rotation accordingly to minimize failure in service.
To align deployment and maintenance budgets with expected endurance, preventing overuse of short-lived stock and leveraging hardier stock for longer cycles.