Answer the following in a word or phrase.
1. The document prepared by the master of the ship acknowledging the receipt of good.
2. The document issued as proof of the fact that goods have been produced in the country mentioned on it.
3. The document forwarded by the exporter to the importer after the shipment of goods.
4. The document issued by the dock authority after receiving the goods from the exporters.
5. The document needed in sending goods by air.
6. Document which acts as proof that goods of stated value and quantity are being brought into the country from abroad.