a toilet seat
yes
Depends on the airline but normally they are the ones that are nearest to the lavatory.
Depends on the condition of the seat of course
the same way you would use a bathroom, they are the same thing
The boy's lavatory had three urinals and two toilet stalls.The girl's lavatory had five toilet stalls, but girls do not use urinals.A pipe burst, flooding the lavatory floor with hot water.
During the middle of class, she asked the teacher to use the lavatory.
no bathroom
Lavatories
no
lavatory
To make sure that people find a seat, to organise the offertory collection, to help worshippers find places such as the lavatory. In short, to assist in practicalities.
See the link below