Cleanrooms and associated controlled environments -- Part 15: Assessment of suitability for use of equipment and materials by airborne chemical concentration— 28 стр.
Imaging materials. Pictorial colour reflection prints. Comparison of image degradation observed between ISO 18930 accelerated weathering test method and outdoor exposure— 102 стр.
Mechanical properties of fasteners made of carbon steel and alloy steel. Bolts, screws and studs with specified property classes. Coarse thread and fine pitch thread— 64 стр.