Mike Johnson director (sales and marketing) at Farlane Johnson Ltd, looks back at the development of protective materials. The difficulty experienced by any company wishing to provide adequate protective clothing for employees working with molten metal is how do they balance comfort with protection? Since the introduction of legislation, designed to force all workers to wear suitable protection in one of the harshest of all industrial environments, fabric and garment manufacturers have tried to answer this all important question. In my early days in the molten metal protective clothing market back in 1965, (is it really that long ago?) wool had just been 'discovered' as the most suitable protection against both ferrous and nonferrous metal splash. However, there was no 'controlled' method by which to determine the comparative performance of each fabric weight, and the rule of thumb was 'the thicker/heavier the better'.
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机译：Farlane Johnson Ltd（销售和市场营销）总监Mike Johnson回顾了防护材料的发展。任何一家公司希望为使用熔融金属的员工提供足够防护服的公司遇到的困难是，他们如何在舒适性与防护之间取得平衡？自从立法旨在迫使所有工人在最严酷的工业环境之一中穿戴适当的防护设备以来，面料和服装制造商一直试图回答所有这些重要问题。早在1965年（真的是很久以前？）在熔融金属防护服市场上的初期，羊毛就被“发现”为最适合防止黑色金属和有色金属飞溅的保护剂。但是，没有确定每种织物重量的比较性能的“受控”方法，而经验法则是“越厚/越重越好”。
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