Technician a says heat transfer is always hot to cold. technician b says high pressure always flows to low pressure. who is correct?

Both the technician are correct.

All the driving force in the universe always flow from the higher body to lower body, until unless acted by external forces. Which means heat always flow from a hotter body to colder body, high pressure always flow to low pressure.

Therefore the both the technician are correct.

vapour or gas assuming atmospheriv pressure

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