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.
Since carbon monoxide is a colorless, odorless poisonous gas, carbon monoxide detectors are designed to alarm you if levels of carbon monoxide in the home reach life threatening levels. Today, youâre going to learn how to install a smoke alarm and carbon monoxide detector like the one you see here.ince carbon monoxide is a colorless, odorless poisonous gas, carbon monoxide detectors are designed to alarm you if levels of carbon monoxide in the home reach life threatening levels. Today, youâre going to learn how to install a smoke alarm and carbon monoxide detector like the one you see here.