 The professions of architect , master craftsman , carpenter , and structural engineer did not have the high status of the Confucian scholar @-@ officials during the dynastic era . Architectural knowledge had been passed down orally for thousands of years , usually from craftsman fathers to their sons . There were also government agencies and schools for construction , building , and engineering . The Song dynasty 's building manuals aided not only the various private workshops , but also the craftsmen employed by the central government . 
 The professions of architect , master craftsman , carpenter , and structural engineer did not have the high status of the Confucian scholar @-@ officials during the dynastic era . Architectural knowledge <a href='been_done' title='1'><mark>had</mark></a> been passed down orally for thousands of years , usually from craftsman fathers to their sons . <a href='dey_it' title='2'><mark>There</mark></a> <a href='uninflect' title='3'><mark>were</mark></a> also government agencies and schools for construction , building , and engineering . The Song dynasty <a href='null_genetive' title='4'><mark>'s</mark></a>building manuals aided not only the various private workshops , but also the craftsmen employed by the central government . 
The professions of architect , master craftsman , carpenter , and structural engineer did not have da high status of the Confucian scholar @-@ officials during tdadynastic era . Architectural knowledge done been passed down orally for thousands of yrs , usually from craftsman fathers to their sons . It was also government agencies and schools for construction , building , and engineering . The Song dynasty  building manuals aided not only thdaarious private workshops , but also thedaaftsmen employed by the datral government .