steam tightness
11François Baby (legislative councillor) — François Baby (19 June 1794 – 6 August 1864), born Charles François Xavier Baby, was a Canadian seigneur, businessman, and legislative councillor. He was the eldest son of François Baby, a seigneur and politician. Contents 1 Biography 1.1 Early… …
12Spinning (textiles) — Spinning is an ancient textile art in which plant, animal or synthetic fibers are twisted together to form yarn (or thread, rope, or cable). For thousands of years, fiber was spun by hand using simple tools, the spindle and distaff. Only in the… …
13Sinusitis — Classification and external resources Left sided maxillar sinusitis marked by an arrow. Note the absence of the air transparency indicating the presence of fluid in contrast to the other side. ICD 10 …
14Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
152000s energy crisis — This article is about the causes and analysis of the relatively high oil prices of the 2000s. For discussion of the effects of the crisis, see Effects of the 2000s energy crisis. For a chronology of oil prices during this time, see 2003 to 2011… …
16Helium mass spectrometer — A helium mass spectrometer is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan Project during World War II to find extremely small leaks in the gas diffusion process of uranium enrichment… …
17Mercury(II) sulfate — Other names Mercuric sulfate, Mercurypersulfate, Mercury Bisulfate …
18Tracer-gas leak testing method — As part of the recommended leak testing methods for nondestructive testing several tracer gas leak testing ones exist among which the methods of choice are: * Helium mass spectrometer or helium leak detection, providing the highest sensitivity *… …
19education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
20tight — tightly, adv. tightness, n. /tuyt/, adj. tighter, tightest, adv., tighter, tightest. adj. 1. firmly or closely fixed in place; not easily moved; secure: a tight knot. 2. drawn or stretched so as to be tense; taut. 3. affording little or no extra… …
