Place the samples in the rack and in the case of knives with metal handles support the handles in such a way that they do not come into contact with the rack.

将样品放在架子上，如果刀有金属手柄的话，不要让手柄与支架接触。

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Sailors also were required to carry oxygen canisters and sharp knives in case they became trapped beneath boat netting.

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Det Insp Mike Pirie said the case highlighted the lethal combination of knives and alcohol.

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Who was this man who needed an expert witness on knives, seemingly falsely arrested seven years after a murder and fire, at last having his case heard?

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