Construction is the process of constructing a building or infrastructure. Construction differs from manufacturing in that manufacturing typically involves mass production of similar items without a designated purchaser, while construction typically takes place on location for a known client.
Eutherians, often called placental mammals, have a unique reproductive system in which unborn young are nourished for an extended period via a placenta. This system permits retention of the young in the protective environment of the uterus during most of early development.
placental - pertaining to or having or occurring by means of a placenta; all mammals except monotremes and marsupials are placental mammals. aplacental - having no placenta; monotremes and marsupials are aplacental mammals.