1 The durableness problem of glue joint is discussed.

2 The influencing factors on the durableness of anchor with stress corrosion by the way of simulation in laboratory and site sampling are studied.

3 Those are suited for rural consumers that are thick and have simple forms, high strength of structure, durableness and low price.

4 The fourth is the service characteristic of low-price and durableness.

5 Aluminum alloy is used to cast the shell for its beauty and durableness . Tricolor energy-saving lamps and transparent lampshades are used for enjoyable appearance and good practicality.