Cotto kept his hands high but Mayweather was frequently able to penetrate his foe's defenses with his jab.
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Just how bad has become clearer since the fighting stopped and aid workers have been able to penetrate previously no-go areas.
And now questions are being raised about whether even ground-hugging cruise missiles will be able to penetrate contested airspace in the future.
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However, the video shows that falling from a height, a person would be able to penetrate the crust of the lake and submerge in it.
Meanwhile the Lumia 620's built-in speaker is apparently 20 decibels louder than Nokia's flagship phone, able to penetrate thin walls at a maximum of 100 decibels.
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"We have visited 15 utility companies and been able to penetrate all of them, " says Brian Ahern, chief executive of Verano, a provider of cyberdefense systems for utilities.
Apple has not been able to penetrate the emerging markets in a meaningful way, which explains its rather low global mobile phone market share of less than 5%.
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Due to these issues, Apple has not been able to penetrate the emerging markets in a meaningful way, which explains its rather low global mobile phone market share of less than 5%.
In his force's fight against organised crime in Manchester, Sir Peter said it was often able to penetrate the top of a criminal gang by linking "foot soldiers" selling drugs or stolen goods to those running operations.
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Alfred Cheng, executive director of the Singapore-listed Parkson Retail Asia Ltd. (PRA) and part of the family that owns the chain, believes his stores will be able to successfully penetrate the Indonesian market.
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The idea is to make the channel as thin as possible, allowing the electric field generated by the gate to penetrate the entire thing, thus improving the control that the gate is able to exert.
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