Cucumbers: cucumber, bitter gourd, carrot, white radish, March melon, etc.

Meat: chicken, pig's head, pig's face, beef, rabbit meat, eggs, etc.

Seafood: kelp, sea cucumber, sea shrimp, shrimp skin, squid, etc.

Beans: cowpea, peanut, soybean, bean curd, dried bean curd, bean skin, potato, etc.

Noodles: cold noodles, cold rice noodles, bean jelly, etc.

My own classification is for reference only, but these things can be cold.