From time immemorial, M. sur M. had had for its special industry the imitation of English jet and the black glass trinkets of Germany.
从一个不可考的时代起，滨海蒙特勒伊就有一种仿造英国黑玉和德国烧料的特别工业。
2
Jet pump may be all kinds of material, such as cast iron, steel, stainless steel, Hastelloy, titanium, ceramic, glass, plastics and graphite, and made of various sizes.
Other factors that affect the longevity of ink jet prints are humidity, ozone, and other airborne pollutants, and their effects can also be reduced by framing a print under glass or in dark storage.