Ключевые слова: 911, accident, ache, ankle, assistance, backpacking, call, camera, cellphone, communication, connectivity, copyspace, emergency, female, footpath, hand, help, hiking, hospital, hurt, information, injury, insurance, looking, medical, messaging, mobile, pain, people, person, phone, photographing, police, rescue, risk, safe, screen, security, smartphone, sore, sos, sport, sprain, support, technology, telephone, trek, trekking, urgent, woman,