Carcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).arcinoembryonic Antigen (CEA). Guide. The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially cancer of the large intestine (colon and rectal cancer).
Instructions. Measure the top of the chimney and the length, width and height of the flue. Build the bottom of the mold out of Â¾-inch plywood. Take the measurements of the top of the chimney and add 2 inches so the cap will overhang the chimney by 2 inches on all sides.Cut the plywood to that measurement by using a table saw or circular saw. Create the cutout for the flue.ake the measurements of the top of the chimney and add 2 inches so the cap will overhang the chimney by 2 inches on all sides. Cut the plywood to that measurement by using a table saw or circular saw. Create the cutout for the flue.
Chimney Crown Leaks. Using Brushable CrownCoat for chimney crown repair. First off, the chimney cap or masonry chimney crown. Over time, chimney crowns can crack or break off, allowing water to soak in and come inside the chase. This water can run down the chimney and absorb into the inside of your house.