1. Give up to five back blows: hit them firmly on their back between the shoulder blades. If back blows do not dislodge the object, move on to step 2. Back blows create a strong vibration and pressure ...
1. What is a flood and what causes them? Floods are the most common and widespread of all weather-related natural disasters to occur in the UK and overseas. Flooding happens when water overflows onto ...
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