Equal 1, if supplier is established; else 0, | |
---|---|
Equal 1, if manufacture is established; else 0, | |
Equal 1, if DC is established; else 0, | |
Equal 1, if collection centers is established; else 0, | |
Equal 1, if repairing centers is established; else 0, | |
Equal 1, if disposal centers is established; else 0, |