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The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008.
Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
Fibers invented between 1930 and 1970 include nylon, PTFE, polyester, Spandex, and Kevlar. Clothing producers soon adopted synthetic fibers, often using blends of different fibers for optimized properties. [102] Synthetic fibers can be knit and woven similarly to natural fibers. Synthetic fibers are made by humans through chemical synthesis as ...
PalmDoc — handheld document format.pages for Pages; PDF — Open standard for document exchange. ISO standards include PDF/X (eXchange), PDF/A (Archive), PDF/E (Engineering), ISO 32000 (PDF), PDF/UA (Accessibility) and PDF/VT (Variable data and transactional printing). PDF is readable on almost every platform with free or open source readers.
500-1000 – Spinning wheel invented in the Indian subcontinent. [19] 1000s – Finely decorated examples of cotton socks made by true knitting using continuous thread appear in Egypt. [14] 1000s – The earliest clear illustrations of the spinning wheel come from the Islamic world. [20] 1100s-1300s – Dual-roller cotton gins appear in India ...
It can be assumed that the animal skins were used for clothing throughout the human history, although in the ways that are primitive when compared to the modern processing, the earliest known samples come from Ötzi the Iceman (late 4th millennium BC) with his goatskin clothes made from leather strips put together using sinews, bearskin hat, and shoes using the deerskin for the uppers and ...
PDF (gene), a gene that in humans encodes the enzyme peptide deformylase; Palladium fluoride (PdF), a series of chemical compounds; Parton distribution function, in particle physics; Peak draw force, in a compound bow in archery; Percival David Foundation of Chinese Art; Pigment dispersing factor, in biology; Planar deformation features, in geology
A fragment of a dharani print in Sanskrit and Chinese, c. 650–670, Tang dynasty Replica of The Great Dharani Sutra, the oldest printed text in Korea, c. 704-751 The HyakumantÅ Darani, the oldest printed text in Japan, c. 770 The frontispiece of the Diamond Sutra from Tang dynasty China, the earliest extant printed text bearing a date of ...