It's about as plural as can be, except there is only one building and only one window ledge.
windows
The windows.
The standard window jamb depth for residential buildings is typically around 4 to 6 inches.
"Oxen" is the plural of "ox". "We" is a plural pronoun and the subject of the sentence.
Las ventanas: the windows (plural). La ventana (the window, singular).
Pigeons who fly into homes will find their way out. Help them by closing the door of the room they've flown into, open a window and wait. http://birdstx.com/how-to-get-a-bird-out-of-your-house.html
Polarized window glass in buildings reduces glare, improves visibility, and enhances energy efficiency by blocking harmful UV rays and reducing heat transfer.
bosun's chair, a method of abseiling,
Das Fenster ( singular ); die Fenster ( plural ).
No, it is not. It is a plural noun (more than one window).(The possessive nouns window's and windows' can function as adjectives.)
Oxen.
They can be called "janitors" or "housekeepers" or if they specialize in window cleaning, then "window cleaners" ! Example Sentence: "Echelon Towers Voorhees is looking to hire a janitor."