440 INDEX W Water, 347.6, 351.1, 364.8, 373.3, 375.8, 383.4, 383.5, 388.9, 391.4, 395.5, 399.8, 404.3, 408.3, 416.8, 427.4 Whipped cream, 211 Wide tubes, 397.8 Yield value, 217, et seq., 237, 257 Zero fluidity concentration, 54, 201, 203, 205, 220 Zinc-cadmium, alloys, 424.9 Zinc sulphate, 394.3 'v?Tr-—-<^~ j