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Ammonia has sometimes been used to fill balloons as a lifting gas. Because of its relatively high boiling point (compared to helium and hydrogen), ammonia could potentially be refrigerated and liquefied aboard an airship to reduce lift and add ballast (and returned to a gas to add lift and reduce ballast).
This article may be too long to read and navigate comfortably. Consider splitting content into sub-articles, condensing it, or adding subheadings. Please discuss this issue on the article's talk page. (October 2024) January 6 United States Capitol attack Part of attempts to overturn the 2020 United States presidential election and domestic terrorism in the United States Crowd outside the ...
Iran and Syria, in the aftermath of Hamas's 2006 electoral victory, stepped in to fill the shortfall. [ 245 ] [ 246 ] Saudi funding, negotiated with third parties including Egypt, remained supportive of Hamas as a Sunni group but chose to provide more assistance to the PNA, the electoral loser, when the EU responded to the outcome by suspending ...
Athenian democracy took the form of direct democracy, and it had two distinguishing features: the random selection of ordinary citizens to fill the few existing government administrative and judicial offices, [51] and a legislative assembly consisting of all Athenian citizens. [52]
Marggraf's student, Franz Karl Achard, devised an economical industrial method to extract the sugar in its pure form in the late 18th century. [40] [41] Achard first produced beet sugar in 1783 in Kaulsdorf, and in 1801, the world's first beet sugar production facility was established in Cunern, Silesia (then part of Prussia, now Poland). [42]
The word mail comes from the Middle English word male, referring to a travelling bag or pack. [2] It was spelled in that manner until the 17th century and is distinct from the word male . The French have a similar word, malle , for a trunk or large box, and mála is the Irish term for a bag.