according to WHO the coronavirus starts on December 31, 2019 at Wuhan, China
one should plan before marriage in order to organize everything than it being a complete chaos/disaster
Dating and courtship is a period when a two person get to know each other so that they can have a longer lasting relationship
Sewage means waste water and excrement including the outlets of kitchen, bathroom and even industries. Sludge is a solid precipitated material obtained during the treatment of effluents before discharging them into water bodies by the waste water treatment plants.