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Quest Diagnostics main services is to provide vital health care diagnostics information. They specialize in laboratory services for patients and market products related to healthcare and medical testing.
There are 22 Main Categories on WikiAnswers.
The main categories of food are:CarbohydratesFatsProteinsVitaminsMinerals
The three main categories of fashion are haute couture,ready-to-wear and mass market.
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plot,characters,point of view,style
The four main categories of computer hardware are as follows: Input Output Storage Processing Input hardware is all the hardware concerning what gets put into the computer. Keyboards, mouse, scanners, digital cameras, and joysticks are all examples of computer input hardware. Output hardware involves taking the work of the computer and projecting it outward. Printers, as well as monitors and televisions, are examples of output hardware. Storage hardware allows the computer to hold and maintain a file database. Hard drives, both those installed in the computer and those held externally, as well as USB drives, are examples of storage hardware. Processing hardware is the real meat of the computer, consisting of the CPU, ROM, and RAM. These things are what make the computer function as a computer.
The main basic categories are - Soprano. Mezzo-soprano. Contralto.
The two main categories are convenience goods and shopping goods; two lesser categories are specialty items and unsought goods.
Deoxyribose and Ribose
botany and zoology.