Roztok k čistění oken: vodný roztok isopropanolu a dipropyleneglykolmonomethyletheru, každý v koncentraci mezi 5 a 10 % hmotnostních, a hydroxid amonný v koncentraci mezi 1 a 5 % hmotnostních.
Window-cleaning-solution: an aqueous solution of isopropanol and dipropylene glycol monomethyl ether in concentration between 5 and 10 per cent by weight each and ammonium hydroxide in concentration between 1 and 5 per cent by weight;