1. provide CSV structure example (So everyone can write it in TEXT editor and upload for themselves)
  2. Load CSV created by custommer, with his data tuned alongside your example
  3. Import done by user
  4. NOW everyone has same example working in their browser and can at this point reverse understand the working structure as you intended it to be feed into and presented!
(shipper SHIPS supplies)
This thrown into CSV is just does not work as you promissed in HEPL tutorial