The service industries (More formally termed: 'tertiary sector of industry' by economists) involve the provision of services to businesses as well as final consumers. Such services include accounting, tradesmanship (like mechanic or plumber services), computer services, restaurants, tourism, etc.
Hence, a service Industry is one where no goods are produced whereas primary industries are those that extract minerals, oil etc. from the ground and secondary industries are those that manufacture products, including builders, but not remodeling contractors.
The tertiary sector of industry involves the provision of services to other businesses as well as final consumers. Services may involve the transport, distribution and sale of goods from producer to a consumer, as may happen in wholesaling and retailing, pest control or entertainment. The goods may be transformed in the process of providing the service, as happens in the restaurant industry. However, the focus is on people interacting with people and serving the customer rather than transforming physical goods.

Fitter Services:-

This Trade Theory book is a part of the Written Instructional Material developed in Hindi for 1st year of Training. It contains 97 Exercises in 5 modules and it broadly covers Basic Fitting, Forging, Sheet metal work, welding and Turning.

Mechanical Engineer:-

The mechanical engineering field requires an understanding of core areas including mechanics, dynamics, thermodynamics, materials science, structural analysis, and electricity. In addition to these core principles, mechanical engineers use tools such as computer-aided design (CAD), computer-aided manufacturing (CAM), and product lifecycle management to design and analyze manufacturing plants, industrial equipment and machinery, heating and cooling systems, transport systems, aircraft, watercraft, robotics, medical devices, weapons, and others. It is the branch of engineering that involves the design, production, and operation of machinery.


A worker is a person who works. This usually means a person who does manual labour, like manufacturing goods. In economics there are three factors of production. These are labour (the work done by workers), land (usually people need some space to produce something), and capital (it will cost resources, or money, to produce something).
People who work, usually get paid for the work they do. This is either called wages (if it is bound to a time period, like an hour), or a salary (if it is independent of the time taken).

Office Staff:-

A staff of office is a staff, the carrying of which often denotes an official's position, a social rank or a degree of social prestige.
Apart from the ecclesiastical and ceremonial usages mentioned below, there are less formal usages. A gold- or silver-topped cane can express social standing (or dandyism). Teachers or prefects in schools traditionally carried less elaborate canes which marked their right (and potential threat) to administer canings, and military officers carry a residual threat of physical punishment in their swagger sticks. Orchestral conductors have in their batons symbols of authority as well as tools of their trade.

Security Officer:-

A security Officer (also known as a security inspector, security officer, or protective agent) is a person employed by a government or private party to protect the employing party's assets (property, people, equipment, money, etc.) from a variety of hazards (such as waste, damaged property, unsafe worker behavior, criminal activity such as theft, etc.) by enforcing preventative measures. Security guards do this by maintaining a high-visibility presence to deter illegal and inappropriate actions, looking (either directly, through patrols, or indirectly, by monitoring alarm systems or video surveillance cameras) for signs of crime or other hazards (such as a fire), taking action to minimize damage (such as warning and escorting trespassers off property), and reporting any incidents to their clients and emergency services (such as the police or paramedics), as appropriate.


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The Packers were an American soul group formed by tenor saxophonist Charles "Packy" Axton, who was the son of Stax Records part-owner Estelle Axton.
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