WesTech GAC contactors can be supplied in an open-top gravity system or, more commonly, in pressure vessels. They are typically designed with a conical underdrain for convenient GAC replacement.
By contrast, the HomePod is essentially an extension of the iPhone, like an accessory. When someone asks the HomePod to open a third-party app, the request wonât go directly to the cloud, as with the Echo, but to an iPhone. As a result, developers can't write apps for the HomePod. They must create tweaked versions of existing iPhone apps.
megÂ·aÂ·pode. n. Any of various large-footed, ground-dwelling birds of the family Megapodiidae, found in Australia, Southeast Asia, and the South Pacific islands, that build mounds or burrows of earth and compost in which to incubate their eggs.Also called mound builder.egapode-large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs. mound bird, mound-bird, scrub fowl, mound builder. gallinacean, gallinaceous bird-heavy-bodied largely ground-feeding domestic or game birds.