Weeks referenced Corning's entry into new supply agreements with industry-leading LCD display manufacturers this past quarter.

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So you do the work you can around the margins, and try to create as much competition as possible, and remove barriers to entry on the supply-side, and then you work on expanding access.

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Further, the complexity of wafermaking and a constrained supply of silicon provide high barriers of entry to potential competitors.

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We think that this concern is overblown because of the large size and fragmentation of the commercial reverse supply chain segment, high barriers to entry for successful penetration into the market, and the incompatibility of an online surplus liquidation business with the aforementioned potential competitors.

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Sgt Romesha also led a team to secure an ammunition supply point and then turned his attention to defending a vulnerable entry point.

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Wisconsin has been surprised by the speedy response of supply to its increased budget: this is a business where barriers to entry are low.

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Horner said Arden's entry would be dependent on them being allowed to buy a chassis as well as an engine supply from another team.

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