radiographs

"I wanted to record every detail of what happened, for the benefit of future generations."

"She received many presents for her birthday."

"I went to the park because the weather was nice. "

"The violinist was a master of her instrument."

"The photograph of the class showed everyone smiling during the school trip. "

"accurate knowledge"

"The factory produced 1000 cars last week. "

"My sister is very helpful, especially when it comes to organizing things. "

"My sister goes to the dentist every six months for a checkup and cleaning. "

"The teacher's negative on the project proposal meant we had to revise it completely. "

"heat radiation"

"We measured the temperature with a thermometer.   You should measure the angle with a spirit level."