Happy Birthday, Yuka!
WHO CALLS ON PEOPLE TO AVOID THE 3C's
"Confined and enclosed spaces"
call on someone phrasal verb
(ASK TO DO)
to ask someone to do something:
She called on Americans to be more tolerant of each other.
send out something phrasal verb
to mail something:
Frank sent out about 400 invitations to his party.
Note: usually said about mailing many things that go to
confine verb UK /kənˈfaɪn/ US /kənˈfaɪn/
C2 [T usually passive]
to keep someone closed in a place, often by force:
The hostages had been confined for so long that they couldn't cope with the outside world.
(from Cambridge Dictionary)
If a place or object is enclosed by something, the place or object is inside that thing or completely surrounded by it.
The rules state that samples must be enclosed in two
watertight containers. [be VERB-ed + in]
"people should stay home if they are unwell,
unless they are going out to seek urgent medical care."
Clear your mind of all mundane thoughts, and you will find even fire cool.