A partir de tradutores profissionais, empresas, páginas da web e repositórios de traduções disponíveis gratuitamente
in 2008, a study was conducted by the university of westminster, london, and sponsored by the paper-towel industry the european tissue symposium, to compare the levels of hygiene offered by paper towels, warm-air hand dryers and the more modern jet-air hand dryers.
pada tahun 2008, satu kajian dibuat oleh university of westminster, london, dan ditaja oleh industri tuala kertas iaitu simposium tisu eropah, untuk membanding tahap kebersihan apabila menggunakan tuala kertas, pengering tangan udara hangat dan pengering tangan udara jet yang lebih moden.