
1) Construction terminology
Found on
https://www.crosswordclues.com/clue/dwang

In construction, a nogging or nogging piece (England, Australia), dwang (Scotland, South Island, New Zealand,) blocking (North America), or noggin (North Island, New Zealand),. They are also simply called nogs in New Zealand and Australia (No reference). They are horizontal bracing pieces used between wall studs or floor joists to give rigidity to...
Found on
http://en.wikipedia.org/wiki/Dwang

• (n.) A piece of wood set between two studs, posts, etc., to stiffen and support them. • (n.) A large wrench. • (n.) A kind of crowbar.
Found on
http://thinkexist.com/dictionary/meaning/dwang/
Dwang noun [ Confer Dutch
dwingen to force, compel.]
1. (Carp.) A piece of wood set between two studs, posts, etc., to stiffen and support them.
2. (Mech.) (a) A kind of crowbar.
(b) A large wrench.
Knight. Found on
http://www.encyclo.co.uk/webster/D/133
No exact match found.