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Polish project 664-class torpedo boat, with a hull of welded Hydronalium. Hydronalium is a family of aluminium-magnesium alloys.It is an alloy predominantly of aluminium, with between 1%-12% of magnesium as the primary alloying ingredient.
Betta mahachaiensis is a species of bubble-nesting betta native to Thailand, [2] where it occurs naturally near the Gulf of Thailand. It is typically seen in stagnant waters in swamps, pools, and ponds. The species can be found in brackish waters, with salinity levels between 1.1 and 10.6 parts per thousand.
Hiduminium or R.R. alloys (2% copper, iron, nickel): used in aircraft pistons Hydronalium (up to 12% magnesium, 1% manganese): used in shipbuilding, resists seawater corrosion Italma (3.5% magnesium, 0.3% manganese): formerly used to make coinage of the Italian lira
The material proliferated throughout British engineering throughout the 1950s and 1960s; it began to be used in the frames of road vehicles during the mid 1950s. [9] Kynal was used extensively for British Railways' modernisation of the 1950s , specifically in the construction of the publicly-owned organisation's new diesel fleet . [ 10 ]
Betta fish can exhibit unusual sleep behaviors, often resulting in new betta owners assuming that their betta fish has died. In an aquarium, betta fish sleep anywhere in the tank they feel comfortable, including at the bottom on the substrate, floating at the mid-level, or at the surface.
Listing price on eBay: $2,500 There were countless Japanese-made, cartoon-like ceramic figurines made during the 1950s, and some of the most valuable (and collectible) are vintage salt and pepper ...
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