Reformatting options include photocopying, digitization, and microfilming. Preservation, restoration cataloging, microfilming and digitization are all important aspects of the archive's responsibilities. In these smaller institutions, similar activities of preservation, restoration, cataloging, microfilming and digitization are evolving. The technical unit is responsible for digitizing and microfilming. The GSU began microfilming records of genealogical importance in 1938. In spite of the digital revolution, preservation microfilming is still used. The LDS Church has engaged in large-scale microfilming of records of genealogical value. In 1979, the church's Genealogical Society of Utah started microfilming Sri Lanka's vital records. Normally microfilming uses high resolution panchromatic monochrome stock. UNESCO training on microfilming in Karachi (1957). He led the project for microfilming receipts in the course of automatic receipt reading. Approximately 200 cameras are currently microfilming records in more than 45 countries. This paved the way for AJCP microfilming project. By the 1960s, microfilming had become standard policy. His suggested solution was microfilming, specifically with his invention, the microcard.