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It transports items by air at lower priority than air mail. The service is faster than surface mail while the cost is lower than airmail. Goods/services economy air（sal） this shipping method is currently unavailable.
Sal Muñoz Collective
Features of economy air (sal) this is a service where international mail is handled as surface mail in both. 无菌保证水平（sal，10的负6次方）和孢子对数降值6 slr 各位： 1、无菌保证水平（sal，10的负6次方）和孢子对数降值6 slr能. Sal stands for surface air lifted which is transported by air.
