What are sectors?

Some articles on sectors, sector:

Mytilineos Holdings
... industrial Group whose companies are active in the sectors of metallurgy, energy and EPC, with more than 2.500 employees ... has been a pillar of Greek industry, thanks to a dynamic business portfolio in the sectors of Metallurgy, Energy and EPC Projects ... European Industrial Group in the sectors of Energy, Metallurgy and Construction ...
Compound File Binary Format - Structure
... The CFBF file consists of a 512-Byte header record followed by a number of sectors whose size is defined in the header ... The literature defines Sectors to be either 512 or 4096 bytes in length, although the format is potentially capable of supporting sectors ranging in size from 128-Bytes upwards in ... limit of 128 is the minimum required to fit a single directory entry in a Directory Sector ...
Tecnopole - Occupation and Sectors
... and the rest is diversified in several sectors, with an emergent trend to specialization in two areas biotechnology and renewable energies ... Enterprises Shuttle and several enterprises related with these sectors ...
Boston Air Route Traffic Control Center - Sectors and Frequencies - Area A - High Altitude Sectors
... UCA 09 (Utica 09) - 123.8750/323.00 The Utica Sector controls FL 280 to FL 600 ... It shares a common boundary with three ZOB sectors and 9 ZBW sectors ... The sector’s primary traffic flow is westbound on J547 ...