30-35, 30-40, 30's, 30s, 35-40, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, acknowledging, adult, auto, automobile, calling, ceasing, cellphone, cellular, cellular phone, chatting, chilly, color, colour, communicating, connecting, connexion, conversation, conversing, cool, danger, daylight, daytime, dialog, dialogue, difficulty, discussing, distressing, disturbing, exterior, fellow, fifties, fifty, forties, forty, frozen, full body, full-length, gentleman, guy, halting, hardship, hazard, hazardous, hearing, human, human being, issue, jeopardizing, joining, listener, male, mid life, middle age, middle aged, middle-age, middle-aged, mobile, mobile phone, motorcar, natural, negative space, one, operating, outdoor, outside, passenger car, passenger vehicle, perilous, person, phone, quitting, responding, risk-taking, roadway, rural, snow covered, snowy, spade, speaking, street, talker, telephone, telephoning, thirties, thirty, tool, transit, transport, transporting, tribulation, upsetting, vehicle, warning, western european, white space, wireless, worrying,
