The sap-wood is more perishable,, but it is useful for fences, casks and a variety of other purposes;.
The texts of the older authors which have come down to us were written for the most part not on stone but on papyrus, parchment or other perishable material.
In 1879, at Kilburn, the competition was of railway waggons to convey perishable goods long distances at low temperatures.
The water is so cold that in the hottest summer perishable articles can be preserved by merely securing them in a closed vessel and allowing the water to drip upon it.
If they are perishable, it still helps to have wrapping supplies ahead of time, at a discount.