crushing strength
31papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper. paʹper·mak er n. * * * Introduction formation of a matted or felted sheet, usually of cellulose fibres,… …
32Reinforced 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… …
33Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …
34The rise of Jat power — ’ (king) was conferred upon him in 1724. [Dr P.L. Vishwakarma, The Jats, I, Ed Dr Vir Singh, (Delhi:2004), 116] In past Jats always rose against tyranny, injustice, economic and social exploitations and were never overawed by claims of racial or… …
35Byzantine Empire — This article is about the medieval Roman empire. For other uses, see Byzantine (disambiguation). Roman Empire Βασιλεία Ῥωμαίων, Ῥωμανία Basileia Rhōmaiōn, Rhōmanía Imperium Romanum, Romania …
36international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
37United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
38ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
39military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
40Germany — • History divided by time periods, beginning with before 1556 Catholic Encyclopedia. Kevin Knight. 2006. Germany Germany † …
