public+road
131Public good — For the egalitarian terms, see Common good and Public interest. In economics, a public good is a good that is nonrival and non excludable. Non rivalry means that consumption of the good by one individual does not reduce availability of the good… …
132Public health — Newspaper headlines from around the world about polio vaccine tests (13 April 1955). Public health is the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society,… …
