- rich solders
- • припой с високо съдържание на калай
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… … Wikipedia
tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… … Universalium
Copper — For other uses, see Copper (disambiguation) … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury … Wikipedia
Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… … Wikipedia
Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium … Wikipedia
Wu Hu — For the city, see Wuhu. For the history of each of the Wu Hu tribes, see Sixteen Kingdoms. Wu Hu (zh cpl|c=五胡|p=Wǔ Hú|l=Five Hu) is a collective term for various non Chinese steppe tribes during the period from the Han Dynasty to the Northern… … Wikipedia
Diphtheria — Classification and external resources Diphtheria causes a characteristic swollen neck, sometimes referred to as “bull neck”. ICD 10 A … Wikipedia
Avery’s Trace — Avery s Trace was the principal road used by settlers to reach Tennessee from 1788 to the mid 1830s.In an effort to encourage settlers to move west into the new territory of Tennessee, in 1787 North Carolina ordered a road to be cut to lead… … Wikipedia
History of Maramureş — Maramureş (in Romanian; Ancient Thracian Maramarista Latin: Marmatia ;Hungarian: Máramaros ; uk. Марамуреш / Maramuresh , Мармарощина / Marmaroshchyna , Мараморщина / Maramorshchyna ) is an historical region in the north of Transylvania, along… … Wikipedia