For frozen food transportation, the transport companies use different types of vehicles. To know them in detail, listen the podcast:
https://soundcloud.com/jdtransportgroup/vehicles-used-by-transport-companies-for-frozen-food-transportation
Go through the blog carefully:
https://www.evernote.com/shard/s653/sh/68d41cc5-cb4f-e632-b3ba-296519d63bfc/b8b7f38bf59047189fa17d9b05f85a37
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