... for the pattern shape and height.Normal type include: Chevron type, V-shaped type, Fishbone type, U type, Cylindrical type, Pitting type and so on. Suitable to transport ... so.2. Keep at least one meter away from the heating device, better to keep temperature of the warehouse between 18 ... best and flip once every season, refuse to connect different type for use, better to use cementing method.4. Speed ...