Hypercapnia may be associated with COPD. Symptoms of hypercapnia may include elevated blood pressure. Symptoms of hypercapnia may include sweating and flushing. Symptoms of hypercapnia may include fatigue. In some cases, hypercapnia is accompanied by hypoxemia, which occurs when there are insufficient blood oxygen levels in the arterial blood.
What Travel Agents Do. Travel agents sell transportation, lodging, and admission to entertainment activities to individuals and groups planning trips. They offer advice on destinations, plan trip itineraries, and make travel arrangements for clients.n addition, resorts and specialty travel groups use travel agents to promote travel packages to their clients. Travel agents also may visit destinations to get firsthand experience so that they can make recommendations to clients or colleagues.
READ MORE: Travel agents still play vital role for business travelers. It's not all good news, at least job-wise. According to the Bureau of Labor Statistics, there were 64,680 full-time travel agents in 2012. A decade before, there were 95,360. Revenues, however, have gone up. Travel agencies generated $17.5 billion in revenue in 2011, up from $9.4 billion in 2002, according to the Census Bureau.