1: A slide of snow down a mountain.
6: Airtight sealed metal container for food, drink, paint, etc.
9: Solving a problem by examining the parts of a whole.
10: Past tense of 'begin'.
16: Small thin inflatable rubber bag with a narrow neck.
18: Information to process
19: This kind of doctor works on your teeth.
20: It is hard to walk ______ the wind.
23: A fixed charge for a privilege or for professional services.
24: A pattern of behavior acquired through frequent repetition.
26: Transports people to the hospital.
30: Given formally or officially.