<span>The reason that people usually will be bothered by the absence of conventions of talk is that in our communication lies cultural similarities and differences. When we follow conventions of talk, we are following our cultural norms and this provides a level of comfort for those involved. When these are not followed, there is an uneasiness that comes with the unfamiliarity, and necessary assumptions about the meaning of the communication can not be made.</span>
If you are asking for the age of how old until you can do a hazardous job, i'm pretty sure the answer is 18 years old. You have to be 18 in order to do a hazardous job. If you are under that age, you cannot. But i have heard that you can do a job that is not hazardous at the age of 16 or 17. I hope this helped :)
An influx of people meant the risk of overcrowding, which in turn meant that cities often didn’t have enough space to accommodate everyone. People living in close quarters without proper hygiene + newly or poorly developed sanitation systems = disease.
(A) Buildings constructed of bamboo are less likely to suffer earthquake damage than are steel and concrete buildings