There are ore sampling works and brick-making establishments.
Rickard, The Sampling and Estimation of Ore in a Mine (New York, 1904); Truscott, The Witwatersrand Goldfields - Banket and Mining Practice (London, 1898; G.
stratified sampling with considerable turmoil in not they make.
aikido books seem to present only a sampling of the various techniques.
altimetry missions sampling the Earth with different orbital patterns.