They were replaced by evolving plastic liners. It is primarily used to make films in packaging, carrier bags and trash liners. Special tiles are used for roofing, siding, flooring, ceilings, pipes, flue liners, and more. Later chimneys were constructed by placing the bricks around tile liners. A few Japanese long liners still ply the waters. Linerboards are test liners (recycled paper) or kraft paperboard (of various grades). It has press-fitted, ductile iron liners. Thirteen "Empire"-prefixed standard class cargo liners were completed. Losses also included all of its fleet of "Beaver ship" cargo liners. Kevlar spall liners were added to critical areas. Ethylene is widely used in the production of goods such as packaging and trash liners. The four tunnels, with precast concrete liners, total in length. Procedures for closure are also included and include capping, liners, and dewatering. The construction of some ocean liners was a result of nationalism. Zeppelins were also faster than ocean liners.