notice there are 3 layers to protect you in the video: 1. layer

来源: 于 2015-01-11 17:13:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

notice there are 3 layers to protect you in the video:
layer 1: paper

layer 2: 2nd layer paper if moist. Make sure the 2nd layer and the first layer is not 100% in contact (i.e. don't stack 2 sheets and fold).

layer 3: re-use plastic bags