the typical vascular cylinder of a dicotyledonous plant or a gymnosperm, consisting of a ring of collateral bundles of xylem, cambium, and phloem. Origin of eustele.
Tap water is fine in Barbados, go in any restaurant and they will ask if you want water then give a choice of bottled or tap. They wouldn't be doing that if the water was bad. It is one of the few places around the world that I will drink tap water. I certainly don't drink it in the UK.
Service quality. 99.5% of the public tap water in Spain is considered potable (safe to drink) according to Ministerio de Sanidad that is responsible for the quality of the water. Every local provider has to report certified lab tests every 6 months resulting in over 40 million reports per year available from Sinac.