“The site supervisor is a trained first-aider, and he climbs up the crane to check on the state of the operator.”
“I am a trained first-aider and I tried to give him mouth-to-mouth, but it didn't work.”
“The powerful, ergonomic and compact EZY VAC medical suction gun can be used by a single first-aider to clear fluids from the pharyngeal and rhyno-pharyngeal cavities.”