The file extension or file header of the archive file are indicators of the file format used. Computer archive files are created by file archiver software, optical disc authoring software, and disk image software. Archive formats. An archive format is the file format of an archive file.
Definition of sewage for English Language Learners. : waste material (such as human urine and feces) that is carried away from homes and other buildings in a system of pipes.
Water Pollution: Sewage Sewage is generally a point-source pollutant. Sewage is the waste water from residential and commercial buildings. Degradation of stream water quality by untreated or insufficiently treated sewage is a widespread problem in many rural areas.ater Pollution: Sewage Sewage is generally a point-source pollutant. Sewage is the waste water from residential and commercial buildings. Degradation of stream water quality by untreated or insufficiently treated sewage is a widespread problem in many rural areas.