When arriving at an [?] site, first make sure you and the victim are safe.
Check if the [?] is open (not obstructed.) The check if the victim is [?].
If victim is breathing, put him/her in the [?]. This also avoids problems
if the victim vomits.
If victim doesn't breathe tilt [?] back, pinch nose and cover victim's [?] with yours.
Blow until you see the victim's [?] rise. Give [?] breaths, each for about 1 second.
If victim is still not breathing, moving etc, begin chest [?]. Push chest down
right between the [?] for about 3 to 5 centimetres [?] times at a rate of about
[?] per minute.
Continue blowing and pumping at these ratios until help arrives.