| 摘要 |
A water solution of a mixture of catalytically-active metal salts comprising manganous acetate, calcium nitrate and cupric acetate is sprayed or "misted" into and on a burning wood fire and the walls of the firebox whereby the active agents are carried up and onto the flue walls to effect reduction and/or removal of tars, creosote and other wood-burning by-products deposited on the firebox and flue walls.
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