What Is The Cheapest Bulletproof Material?

What Is The Cheapest Bulletproof Material? Novana says it has developed an antiballistic material that is just as tough as Kevlar, but less expensive to make. Kevlar has long been the bulletproof material of choice for military and law enforcement agencies. How much does bulletproof material cost? The effectiveness of a bulletproof vest is only

Who Is Responsible For Material Quantity Variance?

Who Is Responsible For Material Quantity Variance? The materials price variance is usually the responsibility of the purchasing manager. The materials quantity and labor efficiency variances are usually the responsibility of production managers and supervisors. Which department is responsible for material quantity variance? In general, the production department of the company is responsible for direct

What Are The Types Of Material?

What Are The Types Of Material? Traditionally the three major classes of materials are metals, polymers, and ceramics. Examples of these are steel, cloth, and pottery. These classes usually have quite different sources, characteristics, and applications. What are the two kinds of materials? Natural materials are those that come from animals, plants or from substances