Compounds of boron feature in washing powders and cleaning products (" borax" ), antiseptics and water softeners, and also as additives in fibreglass, but such roles are humdrum.

硼合物用在洗衣粉和清洁产品(“硼砂”)、防腐和水软，也可作添加纤维，但这些作用是单调。

He improved on what came before by making his gun's central mechanism, or receiver, out of aluminium rather than heavy steel and its stock out of fibreglass.

他对之前技术进行了改进，用铝而不是重钢制造了枪央机构或机匣，并用纤维制造了枪托。