Use the definite article.
The following does not include the Comunicación section.
furniture
house
armoire, closet
vacuum cleaner
balcony
bathtub
bed
kitchen
dining room
bathroom
pantry
bedroom
shower
apartment building
electrical appliance
stairs
mirror
bookshelf
stove
kitchen sink
oven
toilet
yard, garden
lamp
bathroom sink
washing machine
dishwasher
nightstand
microwave
wall
hallway
pool
floor, story; apartment (en España)
first floor
second floor
third floor
ground floor
household chores
living room
armchair
sofa, couch
basement
roof
television set
clothesline
terrace
apartment
garage
elevator
table
chair
refrigerator
to sweep
to rest
to make the bed
to wash/clean the dishes
to wash/clean the floor
to clean
to vacuum
to take out the trash
to dust
in the middle of
on top of
below