Encara no tenim significats per a "asphyxiate shells".
1At Grafenstafel the Eighth Battalion of the Durham Brigade were bombarded with asphyxiating shells before the German infantry attack.
2The cloud which had followed the asphyxiating shells was in turn followed by a severe bombardment from three sides-theeast, northeast, and north.
3On that date, however, the entire front from Bellewaarde Lake to Shelltrap, a line three miles in length, was bombarded with asphyxiating shells.