- certification guidelines for welders
- Общая лексика: Правила аттестации сварщиков (snip.com)
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Ozone — For other uses, see Ozone (disambiguation). Ozone … Wikipedia
Electromagnetic compatibility — (EMC) is the branch of electrical sciences which studies the unintentional generation, propagation and reception of electromagnetic energy with reference to the unwanted effects (Electromagnetic Interference, or EMI) that such energy may induce.… … Wikipedia