GENERAL PORTLAND USES ″PD″ RAILCARS TO KEEP AIR CLEAN, CUT SHIPPING COSTS.

被引：0

作者：

Anon

机构：

来源：

Rock Products | 1978年 / 81卷 / 08期

关键词：

AIR POLLUTION - Control - CARS - Tank - FREIGHT HANDLING - Costs;

D O I：

暂无

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学科分类号：

摘要：

General Portland Inc. eliminated the need for a new unloading terminal, maximized labor use, and met strict Federal and state environmental standards - all in one move - by choosing PD (pressure differential) railcars over traditional hopper cars to ship its regular type #1 cement.

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