The second icon is Aqualang, simple aqualang.
The 7'th icon is ammo for MG-34 (75 bullets)
The 8'th icon is ammo for MG-42 (250 bullets maybe)
The 12'th icon is portable flamethrower No2
The 16'icon is tank or simple cannon ammo
The 17'th icon is MG 18 (Africa 6 map)
Automatic shotgun is Benelli M2 super
Also you can find in game jar with water(africa 5) and hammer(arctic2-sicilly1) but they are used only in the bot's hands, you cannot find it in enemy's inventory.