Health & Safety |Business|Professional Service Blog
Onyekachi Emmanuel
Onyeka Emma is a QHSE Professional, a business person, and an entrepreneur. He is very passionate about health and safety, Business and Entrepreneurship.
What is a sewer system? According to wikipedia.org, A sewer system is an infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers….