E. g. : instrument processing and cutting of metal signs, ironing boards, atomic stamps, carbon plate in battery, copper stamp and small artworks.

如：仪器加工，金属标牌、烫金板、原子章、电池碳板、铜章、小型工艺元件切割等；

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The first publication adopting photogravure single-color printing method. Letterpress printing, copper stamp, relief printing and manual feed were used.

单色套印，在中国首创唯一一家用影写凹版印刷，用过铅印、铜印、凸版印刷，手动续纸。

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