diamonds

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The company standardised its customer service procedures to ensure all clients receive the same high-quality support. "

"The house was surrounded by a tall fence. "

"The fly was stuck in the sticky strands of the spiderweb in the corner of the garage. "

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

"The box containing my old toys was stored in the attic. "

"The lecturer has three speaking engagements this week."

"The twins resemble each other."

"The fireflies glimmered in the dark."

"Carbon exists as several allotropes, including diamond and graphite, which have very different properties despite both being made of only carbon atoms. "

"The student built a model of a tetrahedron for her geometry project, using four equilateral triangles to form its faces. "

"Hey, beautiful!"