Many features are available, such as aluminum trim and casing, weather stripping of stainless steel or Monel metal,combination storm sash and screens, sliding wicket-type screens,and metal bead glazing.
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- 观景窗各有特色,如用铝镶边或做框、不锈钢或抗酸金属制成挡风雨条、防暴风雨窗和遮板组合、推拉小门式遮板和金属护条玻璃。