Crossword puzzle clue "rows in a garment factory"

One who rows, rows, rows the boat

Rows in a garment factory

Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize

Rows of rows

Garment-factory employee

Gorgon working in a garment factory?

Garment under a garment

First four rows