... is classified in accordance with the cold storage temperature. DL type of high temperature, fin space 4.5mm, is applicable for cold ... such as vegetables, fruits and eggs; DD type of moderate temperature, fin space 6.0mm, for cold storage around -18 ºC ... as meat and aquatic products; DJ type of low temperature, fin space 9.0mm, for -2ºCcold storage, used for freezing fresh ...