165) 网

wang

net(work)

Symbolizes a net to catch birds or fish. Sometimes changes shape to “罒” for visual appearance when combined with other characters.

165a) 冈

gang

ridge

fishing net 网 [wǎng] + mountain 山¹⁹⁵[shān]

A mountain (山) has ridges that connect one mountain to another just like a fishing net (网) is surrounded by a thicker edge or guide ropes.

165bx) 刂

dao

165b) 刚

gang

strong; just

ridge 冈 [gāng] + knife刂=刀¹¹⁹[dāo]

Ridges (冈) are thick and strong, and are difficult to cut even with a sharp knife (刂) - just a dynamite could leave a trace

165c) 钢

gang

steel

Steel is a very strong metal (symbol), just like the ridges (冈) of mountains or guide ropes of fishing nets.