Natural Environment
Natural environment is the entire environment , conceived of all the natural resources but without huan presence of interference .
Example : Climate , mountains , rivers , rocks , soils , trees
2012年8月11日星期六
先前的博文
- Repair Materials
- Selectio9n of Repair Method
- Performance Requirement of Repair System
- Pull out test
- Penetration Resistance Test ( Or windsor Probe Test )
- Surface Hardness Test ( Rebound Hammer )
- Ultrasonic Pulse Velocity Test
- Sikhisme
- Pandangan Taoisme Terhadap Isu Moral
- Lima Model untuk Membentuk Perwatakan Mulia Manusia
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