A zoom lens has, on the most object side, a first lens unit that has a prism with a reflecting surface for folding the path of rays, that has a negative refractive power in its entirety and that is fixed in a magnification change, and an aperture stop that is fixedly positioned in reference to the image pickup surface. Such textual objects can be stored as data in a Pinyin custom wordlist if it is in the nature of Standard Mandarin characters or it can be stored in a BoPoMoFo custom wordlist if it is in the nature of Traditional Chinese characters, or it can be stored in both if it is in the nature of both Standard Mandarin characters and Traditional Chinese characters. , Personal Digital Assistants, are provided. Furthermore, a machine for making and coating an airbag fabric is also provided. A special design worktable in the working area of the laser cutting system provides support for the worksheet.