31. Projects : interior design , specialty lighting design , interior installation engineering 32. Code for construction and acceptance of installation engineering of solar photovoltaic power system 33. Specifications for nonferrous metal mine shaft to installation engineering construction and acceptance 34. Code for acceptance of constructional quality of installation engineering for pulp and paper machines 35. Code for construction and acceptance of cow - voltage apparatus electric equipment installation engineering 36. Electric equipment installation engineering code for construction and acceptance of low - voltage apparatus 37. Code for construction and acception of electric lighting device electric equipment installation engineering 38. Electric equipment installation engineering code for construction and acceptance of 1kv and under feeder cable engineering 39. Code for construction and acceptance of refrigeration and air seperating equipment installation engineering 40. Electric equipment installation engineering code for construction and acceptance of power convertor equipment
