Answer:
Boilermakers
Step-by-step explanation:
Boilermaker are individuals who are into making boilers or large containers that is meant for housing or keeping liquid or gases such as oil or gas. They are involved in fabrication of steel, iron or copper into boilers. There job roles can involves repairs as well.
However, according to Bureau of Labor Statistics, the job growth of Boilermaker is 6%, and with the closure of most Coal Fired power plants in the coming decade, there is going to be lesser demands for boilermaker.
Specifically in building construction, gas boilers are expected to be replaced by low carbon heating system in all new homes, in the near future, this will gradually reduce demand for boilermakers.
Also, considering the increase in energy sector, trying to move away from crude oil to renewable energy such as solar, there will be lesser demand for boilermaker.