A sheet metal conduit connecting the boiler smoke box with the base of the smoke stack. It conveys the smoke and hot gases from the boiler to the stack and should be made double thickness with an air space between to prevent radiation.
Entry of a substance into the body, into an organ, into a tissue, into a cell, or into the body fluids by passage through a membrane or by other means. PARTIAL SYNONYM absorption. No entries
Usually, the numbers of individuals who agree to a procedure such as the number of pregnant women who agree to take an HIV test or agree to participate in prenatal care.