“After years of research, the scientist developed a groundbreaking technique for electroplating, allowing for the precise application of a thin layer of metal on various objects, enhancing their appearance with gilding and luster.”

“For almost four years, he had worked as an electroplater, and he had recently qualified as a forklift truck driver.”

“What is the annual release of total chromium to the wastewater by this electroplater?”

“Suppose the electroplater previously mentioned has no information about the spent solvent and sludge accumulating on the bottom of the degreaser.”