Sentence:  The underwater ship <WSD>husbandry</WSD> discharge is composed of materials discharged during the inspection, maintenance, cleaning, and repair of hulls and hull appendages performed while the vessel is waterborne. Underwater ship <WSD>husbandry</WSD> includes activities such as hull cleaning, fiberglass repair, welding, sonar dome repair, propulsor lay-up, non-destructive testing, masker belt repairs, and painting operations. 
Meaning of the word marked with <WSD> tags:  Administration or management of day-to-day matters.