Historical Examples. 1  But this is insecure ground, and the meaning can but be guessed at. 2  He realized that his tenure was insecure, and he dreaded exposure. 3  Her foot slipped from its insecure rock hold and she stumbled. 4  He left her with the feeling that the foundations70 of life, as she was leading it, were insecure.
Carbon monoxide poisoning is caused by inhaling combustion fumes. When too much carbon monoxide is in the air you're breathing, your body replaces the oxygen in your red blood cells with carbon monoxide. This prevents oxygen from reaching your tissues and organs. Various fuel-burning products and engines produce carbon monoxide.
What You Should Know About Combustion Appliances. The most common symptoms of carbon monoxide poisoning are headache, dizziness, weakness, nausea, vomiting, chest pain, and confusion. High levels of carbon monoxide ingestion can cause loss of consciousness and death.Unless suspected, carbon monoxide poisoning can be difficult to diagnose because the symptoms mimic other illnesses. People who are sleeping or intoxicated can die from carbon monoxide poisoning before ever experiencing symptoms.hat You Should Know About Combustion Appliances. The most common symptoms of carbon monoxide poisoning are headache, dizziness, weakness, nausea, vomiting, chest pain, and confusion. High levels of carbon monoxide ingestion can cause loss of consciousness and death.