padding-bottom: 100%;">26A most forms of steel abruptly becomebrittle27J that resists fractures at much lower temperatures28B without the need for expensiveadditives29E providing a lifeline for the besiegedbritish30I the ships cracked in the icy north Atlantic31N so scientists have strived to find asolution32C a more physical approach33G that is comparable to that of34H the number of components needed in aconstruction job35K by replacing solid supports with hollow tubes
