Building things has been a crucial activity of humans since recorded history. Today, in the modern world, manufacturing is the term used to characterize this activity. Manufacturing is important to the economies of most developed and developing nations. Technology can be defined as the application of science utilized in the production of goods and services that we need or desire, or in the accomplishment of scientific investigation and objectives. Manufacturing is the integral element that makes technology possible.
Economically, it is an important means by which a nation creates material wealth. In the global economy, a country must posses a robust manufacturing sector if it is to accommodate a strong economy and high standard of living for its people.
PRODUCTION PLANNING & CONTROL
In manufacturing industry, planning forms the backbone of the production process. It aids an organization in visualizing the entire manufacturing operation, and make intelligent decisions based on real time data. Effective production planning in turn boost overall productivity.
Production Planning and Production Control are the support systems concerned with logistics problems associated in the production function.  Planning aspect is tasked with determining what products are to be produced, the subsequent quantities, and their lead time. Control aspect of it determines whether the required amount of resources to implement the production of goods are available, and if not, takes necessary action to procure them.
The production planning and control includes inventory control, which is concerned with having appropriate stock levels available of raw materials , work-in-process, and finished goods..