Paint it, lower the ceiling to cover it, build a 3 sided wooden beam or sheet rock enclosure around it. Use your imagination or that of a contractor.
A ceiling made out of dinosaur duct tape!
To hide pipes, wires or duct work.
You can install heating ducts into a suspended ceiling by cutting a hole in the ceiling tiles where the duct will go, attaching the ductwork to the ceiling joists above the suspended ceiling, and sealing any gaps around the duct. Make sure to follow local building codes and consult with a professional if needed to ensure safe and efficient installation.
Make a bulkhead or install a drop ceiling
the steps and the things you'll need will be at this site --> http://www.wikihow.com/Make-a-Duct-Tape-Book-Cover
"Cover her mouth with DUCT-tape, so she doesn't scream."
Aluminum foil duct tape is the best type to use for repairing a dryer duct.
When you say "exhaust vents in your ceiling" I assume you are referriong to the heating and AC vents inside your house and not the roof vent on the outside used to vent the attic. It is most likely that the duct work was ran in the ceiling for ease of installtion or the house may be built on a slab and they did not want to run the duct work through the slab.
The essential duct work tools needed for a successful HVAC installation project include duct tape, tin snips, duct sealant, duct insulation, duct hangers, and a duct crimping tool. These tools are necessary for cutting, sealing, insulating, hanging, and connecting ductwork in a HVAC system.
To effectively seal air ducts using duct foil tape, follow these best practices: Clean the duct surface, cut the tape to size, apply it tightly to cover gaps and leaks, press firmly to ensure a secure seal, and inspect for any missed areas.
Dirty ductwork, probably a result of infrequent filter changes.
you want a book first to use as a mold sort of deal. Get tin foil, smooth it and wrap it around the book as you would like to, and cover with duct tape. Voila! A duct tape book cover