The level of gas in a full cylinder is approx three quarters of the height of the cylinder. This allows the gas to expand and contract during different weather conditions and temperatures. You cannot tell how much gas is in a cylinder by shaking or tapping it. This could also damage the container.To check the level of gas in a cylinder, carefully pour hot water down the side of it and then after a few moments, run your hand down the cylinder.he level of gas in a full cylinder is approx three quarters of the height of the cylinder. This allows the gas to expand and contract during different weather conditions and temperatures. You cannot tell how much gas is in a cylinder by shaking or tapping it. This could also damage the container.
3. Breast cancer: 206,983 lives. Breast cancer is the second most common cancer in women in the United States, after skin cancer, according to the Mayo Clinic. It can also occur in men â there were nearly 2,000 male cases between 2003 and 2008.
1 For women in the U.S., breast cancer death rates are higher than those for any other cancer, besides lung cancer. 2  Besides skin cancer, breast cancer is the most commonly diagnosed cancer among American women. 3  In 2015, it's estimated that just under 30% of newly diagnosed cancers in women will be breast cancers.