"Checking: From the Titanic's Propellers to X-ray Security Machines and Beyond" The mighty RMS Titanic reveals its grandeur as workers meticulously check its propellers in dry dock. Smugglers unload their illicit goods, constantly checking for any signs of suspicion or surveillance. A brave Australian soldier checks his motorcycle and sidecar before embarking on a mission during World War I. In her elegant boudoir, a French lady carefully checks her appearance before stepping out into the world. With advanced technology, fingerprint scanners provide secure access while ensuring identity verification with every check. The Lti 20-20 Speed Gun allows law enforcement to effectively check vehicle speeds and enforce road safety regulations. Dedicated maintenance crews diligently check locomotives to ensure safe and efficient journeys for passengers. Florence Nightingale's tireless efforts in Scutari Ward involved constant checking of medical supplies and patient care during the Crimean War. Early pioneers of security measures introduced X-ray machines in 1900, revolutionizing baggage checks at transportation hubs worldwide. Raquel Welch exudes timeless beauty as she undergoes routine security checks at London Heathrow Airport in June 1967. Members of the East African Reconnaissance Regiment meticulously check their equipment before heading into action during WWII in Burma. Man skillfully inspects his car engine amidst nature's backdrop.