What causes casualties?

British figures, probably not untypically, suggest that roughly three-quarters of all wounds during the war were caused by shells, bombs, mortar rounds, and grenades. Bullets and anti-tank rounds added a rather modest 10 per cent; the same as mines and booby traps. The remaining and unlucky one in twenty were injured by a miscellaneous mix of blasts, crushings, chemical burns, and ‘other Stephen Bull, Second World War Infantry Tactics, Western Front