title: Pin index failure.
authors.forename: D
authors.initials: D
authors.lastname: Chamley
authors.forename: L
authors.initials: L
authors.lastname: Trethowen
mesh_terms: D004867:Equipment Design; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*; D012212:Rheology; D013499:Surface Properties