In Scotland, they often utilized strollers and prams to collect donations. Silver Cross is the only pram manufacturer still producing coach-built prams in the UK. They will include accessible toilets and dedicated space for luggage, prams, bicycles and wheelchairs. There is an open area for wheelchairs or prams, and both intermediate coaches have toilets. Each single-deck train features two dedicated areas for prams, luggage and bicycles. Early versions of this system had difficulty detecting objects, including cats, baby prams and pedestrians. Animals, prams and large luggage can also not be admitted for safety reasons. The archipelago fleet also employed traditional galleys and several types of prams and sloops. Entire families, pushing prams, trudged through the snow and ice. In the video, a Swedish pensioner is outrun by burka-clad women with prams. These prams were exported to Canada, South America, India and South Africa. From 1930 Simson also made prams. The player can also duck to avoid attacks, and must jump over incoming prams. PRAMs exploit the unique behaviour of chalcogenide glass. "The Prams Break Through" (1945) and "Princess's Wedding Day" (1947).