21. Code for construction and acceptance of industrial boiler installation engineering 22. Code for construction and acceptance of crusher and mill equipment installation engineering 23. Code for construction and acceptance of battery electric equipment installation engineering 24. General code for construction and acceptance of mechanical equipment installation engineering 25. The check and evaluate standard for quality of parcel sorting machine installation engineering 26. Code for construction and acceptance of continuous conveyer equipment installation engineering 27. Standard for hand - over test of electric equipment electric equipment installation engineering 28. Code for construction and acceptance of cable levels electric equipment installation engineering 29. Design and implementation of borehole blasting for siphon installation engineering in waterworks 30. Code for construction and acceptance of earthed device electric equipment installation engineering
