The bronze script of character Factory or Plant is
The big seal script of the character is
The small seal script of the character is
Similar to older scripts. At this time (~ 2200+ years ago), the character might have started to mean the place where people made products for sale.
The clerical script of the character is
The song typeface of the character is
Same as the clerical script.
There is another character which original means "A big space for practicing fight with wood weapons". Because it mistakenly has a 厂 radical. It was merged into 厂 in simplification in 1950s, and abolished in simplified characters.
The song typeface of the character which is called traditional character is
Which means Factory or Plant, same as 厂. Because its original meaning had not been used long time ago, so it is not important for us to know its original meaning and evolution. I may discuss it in later time.
Its Pinyin is Chang3.