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000 100 200 300 400 500 600 700 800 900 [ เทคโนโลยีหรือวิทยาศาสตร์ประยุกต์ (Technology (Applied Sciences) ] back |
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600 610 620 630 640 650 660 670 680 690 [ วิศวกรรมศาสตร์ (Engineering and Allied Operations) ] |
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620 621 622 623 624 625 626 627 628 629 [ Sanitary & municipal engineering ] |
| DC | คำอธิบาย | ||||||||
| Sanitary & municipal engineering | |||||||||
| Water supply | |||||||||
| Water wells | |||||||||
| Septic systems | |||||||||
| Sewage treatment and disposal | |||||||||
| Waste technology, public toilets, street cleaning | |||||||||
| Pollution and industrial sanitation engineering | |||||||||
| Other branches of sanitary and municipal engineering | |||||||||
| [แสดง 8/8 รายการ] | |||||||||