surrounding the head, as in Figure 3. This can be
confusing and awkward for unfamiliar users.
For those of European taste, high-efficiency shower
heads are available in “telephone” style, installed on
flexible hoses. They are awkward to use. If the shower
space is confined, it is more convenient and more
efficient to take “Navy” showers using a fixed shower
head. See Measure 3.1.5 about this.