Александр aka operby - / Habr

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Александр @operby

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Habred

Invited: 13 December 2012 by invitation from @Jey

About: Энергетик по жизни в прямом и в переносном смысле.

Belongs to hubs: Entertaining tasks

Cryptography

Nanotechnologies

Laptops

Social networks and communities

E-commerce management

Media management

Electronics for beginners

Energy and batteries