interlocking

""The railroad crossings near my house are very noisy when trains pass." "

"The electrical wires were connected at several junctions, ensuring the circuit was complete. "

"When a body collides with another, then momentum is conserved."

"My need to sleep early is conflicting with my desire to finish this interesting book. "

"Hiberno-Saxon interlace patterns"

"The entire apparatus for building a birdhouse, from the saw to the nails, was carefully laid out on the workbench. "

"The arrangement of chairs in the classroom made it easier for the students to see the teacher. "

"I saw a movement in that grass on the hill."

"They completed the first series perfectly."

"The toddler playfully intertwined his fingers in his mother's hair. "

"Hey, beautiful!"

"The kitten playfully batted at the dangling string. "