Complex sentence: Kylchap exhausts were also fitted to some British-built export locomotives, primarily Garratts for Africa, but the only other nation to take them up in quantity was Czechoslovakia, where all late steam locomotives used this exhaust design.
Split into simpler sentences: Kylchap exhausts were also fitted to some British-built export locomotives, primarily Garratts for Africa. The only other nation to take them up in quantity was Czechoslovakia, where all late steam locomotives used this exhaust design.