安全工程学和人类工效学是人类社会走向工业现代化和工业文明的科学，提高工效、降低能耗、安全可靠、操作方便的机器、设备、设施成为工矿企业以及人们工作、研究与追求的热点。九三学社通化市实用技术研究所研制生产并荣获中国发明专利技术的“ＴＨ型防漏砂浆承重空心砖... Safety engineering and ergonomics are the sciences in which human society is moving towards industrial modernization and industrial civilization. Machines, equipment and facilities that improve work efficiency, reduce energy consumption, are safe and reliable, and are easy to operate have become the hot spots for industrial and mining enterprises and people to work, study and pursue. Jiu San Society Tonghua City Institute of Practical Technology developed and produced and won China’s patented technology "TH leak-proof mortar load-bearing hollow brick ...