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IT services
This industry comprises establishments that provide internet technology services to all industries. These include maintenance and support services, network services, and professional services such as systems integration and It consulting services.
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鏡片顏色
Eyewear; Sunglasses
一般用途最流行的顏色是灰色的顏色保持真實不失真。與綠色像灰色鏡片，顏色將保持真實和紫外和紅外燈吸收好。布朗是特別有效過濾分散藍輕常見的朦朧、 霧或低光條件。棕色或呈琥珀色提高深度知覺和可變光照條件的對比度。 ...
