The sample still sits on a bookshelf in the office, sealed with a strip of yellow tape.
该样品仍然在办公室中的书架里，被用黄色的胶带密封了起来。
2
Try the technique before you buy with a DIY alternative. Roll a sheet of black card into a cone and place a strip of black or gaffer tape along the seam to hold it securely in place.
在买之前先自己DIY一个，把一张卡纸卷成圆锥型，用电工黑胶粘牢。
3
Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls.