Special trade contractors are engagedin only part of the work of a constructionproject. Special trade contractors may workon sub-contract from the general contrac-tor or directly for the owner.They ...Special trade contractors are engagedin only part of the work of a constructionproject. Special trade contractors may workon sub-contract from the general contrac-tor or directly for the owner.They mayengage in such activities as plumbing,heating and air-conditioning installation;展开更多
Guangyuan City Bureau of Statistics designed a set of questionnaires to integrate the original 97 questionnaires. The experiment in Guangyuan City is proved to be a success, and it is being introduced formally in Sich...Guangyuan City Bureau of Statistics designed a set of questionnaires to integrate the original 97 questionnaires. The experiment in Guangyuan City is proved to be a success, and it is being introduced formally in Sichuan Province.展开更多
文摘Special trade contractors are engagedin only part of the work of a constructionproject. Special trade contractors may workon sub-contract from the general contrac-tor or directly for the owner.They mayengage in such activities as plumbing,heating and air-conditioning installation;
文摘Guangyuan City Bureau of Statistics designed a set of questionnaires to integrate the original 97 questionnaires. The experiment in Guangyuan City is proved to be a success, and it is being introduced formally in Sichuan Province.