2: e. Most cruise ships have designated smoking areas even for cigar and pipe-smokers. No alcoholic beverages of any kind, no metal detectors, and electrical appliances of all kinds are usually prohibited. This is because the general taxing of the ship’s electrical system by plug-ins is deemed unsafe. This includes heating pads, but not small wattage hairdryers. Apparently the 2010 rule disallowing all hairdryers was met with overwhelming protest. “…the specter of thousands of frizzy-haired women descending on humid Caribbean ports is just too scary.” (the Cruise Critic). For further reading:

3. All are True except “d.” (The one-way mirrors in the public toilet in London all look OUT)