It is a set of services that include the necessary repairs and adjustments to ensure that any system continues to function or that a production process continues with the highest efficiency and reliability. (Translated from http://terim.tuba.gov.tr/)
Note
Of buildings, boundaries, machinery, vehicles or other equipment
Ethnobiology is the scientific study of dynamic relationships among peoples, biota, and environments. (https://ethnobiology.org/about-ethnobiology/what-is-ethnobiology)
