For highly colored wood such as mahogany and red cedar, oil and alcohol stains sealer of the most effective.
对于着色性很强的木料，如桃花心木和红杉，油性和醇性污渍封闭底漆最有效。
Cedar oil (glass bottle of 0.2-1.0 l) is used in medicine and cosmetology.
雪松油(玻璃瓶0.2 - 1升)用于医学和美容。
In order to improve the odour quality of cedar wood oil, the water distillation (over water boiler) should be replaced by steam distillation.
为改进柏木油香气质量，主张以水蒸汽蒸馏技术取代水上蒸馏法，不赞成用干馏法或“红锅”法来制取柏木原油。
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