first aid first-aid firstaid life guard lifeguard oversee rescue salva vida security swim swimming aid convex convex lens enlarged enlargement enlarging hand lens lens magnification magnified magnifyer magnifying glass Sherlock Holmes visual aid adjustable aluminium assist assistance bodyweight bodyweight-support Canadian-crutches crutch crutches cuff disability disabled forearm-crutches handgrip handicap handpiece legs Lofstrand-crutch metal mobility-aid support weight-transfer blow blowing fingering fingers instrument man mobile music musical musician saxophone saxophonist wheelchair wind-instrument accident ambulance attention auto biology bone bones car cross cruel dead death die drive drugs end First funeral help hospital human machine paramedic red cross signal vehicle blind pedestrian blindness folding handicapped mobility stick visually impaired case compartmentalised compartments container containers dispenser dividers helpful medical medicine-storage medicines memory-aid organiser organizer pill-box-holder pill-dispensers pills plastic reminder reminding sorter sorters tablet-organizer tablets weekly-pill-planner