Gaolu: ball ball aluminum fire-proof material production and marketing.

高铝球、中铝球、耐火材料生产、销售。

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Except for such features as wrong operation prevention, stem blow-out proof, mounting, pad provided, the metal to metal sealed ball valves made by WILLIAMSON possess the following unique features.

金属硬密封球阀除了具有防止误操作、防止阀杆飞出、设置驱动装置安装平台等结构特点外，还具有如下独特的特点。

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Cast bronze body and end piece, blowout proof silicon bronze stem or 316 stainless steel ball and stem are optional (66 trim).

铸青铜阀体和连接端口，防吹出硅青铜阀杆或316不锈钢球体和阀杆为选配件(66阀内件)。

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The new work by Messrs Jerby, Dikhtyar, Mitchell and their colleagues is not proof that natural ball-lightning consists of silicon nanoparticles.

ECONOMIST: Ball lightning

One opponent said that the fact that Buffett had made an offer was proof enough that it was a low-ball bid.

FORBES: 4 Ways Buffett Overcomes Deal Bumps