cuvettes

"The teacher's analysis of the student's essay focused on identifying the strengths and weaknesses of the argument. "

"He polished up the chrome until it gleamed."

"The student used a spectrophotometer to determine the concentration of dye in the solution by measuring its absorbance of different colors of light. "

"The chemistry student used a spectrometer to analyze the unknown liquid, identifying its ingredients by the unique pattern of light absorption it produced. "

"After carefully cleaning the bicycle, he spent the afternoon reassembling it. "

"The waters of the lake were transparent until the factory dumped waste there."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"My grandfather's antique timepiece, a pocket watch, still keeps perfect time. "

"The watchmaker carefully examined the grandfather clock, hoping to fix the ticking problem. "

"The teacher analysed the students' essays to understand their writing skills. "

"The student carried her heavy backpack to class. "

"The scientist studied the effects of different types of soil on plant growth. "