Though the missionaries introduced lead type printing and bronze block printing in latin, the introduction did not make substantive impact on Chinese printing industry.
传教士曾引进过拉丁文铅活字印刷和铜雕版印刷，但对中国印刷业没有产生实质性影响。
2
A. Lock Cylinders: Tumbler type, constructed from brass or bronze, stainless steel, or nickel silver.
管形锁：制栓，建筑材料有黄铜或青铜，不锈钢，镍银。
3
The experimental study of a new type of aluminium bronze alloy for die was carried out.