1 A survey township is a unit of land measure defined by the Public Land Survey System. 2  A civil township is a widely used unit of local government in the United States, subordinate to a county. 3  Specific responsibilities and the degree of autonomy vary based on each state. In western Canada townships exist only for the purpose of land division by the Dominion Land Survey and do not form administrative units. 2  These townships are six miles by six miles (36 square miles, or roughly 93.24 kmÂ²). 3  Townships are designated by their township number and range number.
A mechanical or physical shock is a sudden acceleration caused, for example, by impact, drop, kick, earthquake, or explosion. Shock is a transient physical excitation. Shock is a term for extreme forces that matter is subjected to. Shock is a vector that has units of an acceleration (rate of change of velocity).
Demand shock is an economic term that refers to sudden changes in the level of demand for a particular product or property purchase. These events may arise from a number of factors.