Twist ties, Rings and links, Grommets, Hasps, Hinges, Hardware staples, Turnbuckles, Strapping or banding buckles, Latch, Clevis pin, Knurled pins, Snap rings, Clevis, Snap fastener, Cleat, Pawls, Connecting or coupling pins, Aligning pins, Land surveying instruments, Hydrological instruments, Meteorological instruments, Mechanical instruments