
1) Bulgarian brand
Found on
https://www.crosswordclues.com/clue/powernet

Powernet (Powernet LLC), also known as Пауърнет, is a telecommunications company with activities in the broadband Internet, CaTV and Digital phones. It is headquartered in Sofia, Bulgaria. Currently the company is the biggest broadband Internet services provider to end-users in the region of Sofia municipality. It serves about 35 000 resid...
Found on
http://en.wikipedia.org/wiki/Powernet

A two-way stretch nylon fabric that provides excellent support. Also used in high-end compression garments, powernet has high compression with low stretch qualities to give you outstanding support without stretching out and losing its strength. Bras with powernet will last longer and stretch out less than bras using other stretch fabrics.
Found on
http://www.herroom.com/glossary-fabric-womens.aspx

The standard proposed for next generation of automotive batteries. Nominally 42 Volt systems.
Found on
http://www.mpoweruk.com/glossary.htm
No exact match found.