nonrenewable resources will eventually be depleted
non_renewable_resource is tangible_thing. unproductiveness is fruitlessness. if_supply_depleted has none_available depreciation is non_cash_expense. exhaustion is depletion. nonexistence is nonbeing. computer_redundant_power_supply is uninterruptible_power_supply. non_resealable_storage_can is can. poorness is fruitlessness. coal is non_renewable_resource.