Don't ever use any other type of carabiner for belaying.

不要用其他的锁做保护.

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The responsible dealer will have information on carabiner strength.

销售商应该有铁锁负重量的信息.

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The carabiner must not be obstructed, any pressure from the rock reduces its strength.

锁不能被岩石或者挂片阻碍, 任何来自岩石的压力都会降低锁的强度.

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Make sure you buy a good pear - shaped locking carabiner ( either screw - gate or locking - gate type ).

要确定你买的是个梨形锁,带丝扣的或自动锁的都可以.

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