I know a transport manifest is the document that lists contents being transported: items, quantities, etc... often used in long-haul trucks.
Are there other documents like this? Invoiceable? If i own a small business and go buy, say, a laptop at another business (requiring such a document since it's a B2B transaction and the item will be carried in a company vehicle), is it still a "transport manifest" or does it have another name?
I'm not quite sure what you're asking. Usually something like this (a tool) would be listed on a document for your insurance so it would be covered. If it is being taken across international borders it may be required to be included on your Carnet de Passage