1.chimney
2.collar
3.air hole
4.base
5.rubber tubing
6.luminous
7.irregular
8.quiet flame
9.non-luminous
10.fegular
11.noisy flame
12.strilke back
13.green flame
14.unburnt gas
15.mixing solutions
16.squeeze
17.rubber bulb
18.contaminate
19.colourless
20.clear blue
21.alcohol thermometer
22.clinical thermometer
23.degree Celsius
24.Fahrenheit
25.balance
26.meniscus
27.displacement can
28.pulse rate