在全国工农業生产大躍进的形势下,全国一天不知要湧现出多少新的發明创造,也不知一天能出现多少新的工厂和企業。在这种形势下,技术交流就非常頻繁,而技术资料的供应工作也就跟着紧張起来,有很多单位的晒圖工作晝夜三班轮换仍然感到供应不及。形势迫使着我们不得不多想办法,大胆地革新制造,提高資料的复制工作。近来在档案資料工作战綫上,不管是在正理、保管、借阅或复制方面,都有很多新的革新和創造。这里我们想介绍一下济南鉄路管理局老晒圖工人俞長清同志在工作中創 Under the situation of great leap forward in the country’s industrial and agricultural production, the whole country did not know how many new inventions and innovations emerged in a day and how many new factories and enterprises could emerge in a day. Under such circumstances, technological exchanges have been very frequent, and the supply of technical information has also been tense. There are still many units that are still in short supply of day and night shifts in their work of drawing pictures. The situation has forced us to think of ways to boldly innovate manufacturing and improve the data replication. Recently, there have been many new innovations and innovations in the field of archival materials work, whether in the areas of impartiality, custody, lending or copying. Here we would like to introduce Jinan Kau Road Authority veteran photo workers Comrade Yu Changqing created in the work of