cartridge

"My dad installed a new security system in our house yesterday. "

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

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

"The computer technician fixed the broken printer in the school library. "

"The fireworks display used gunpowder to create colourful explosions. "

"The project consists of three main parts. "

"The library offered an extension on the due date for the overdue books. "

"The army carefully stored the ammunition in a secure vault. "

"The car's engine is a complex assembly, composed of many smaller subassemblies, like the fuel injection system and the cooling system. "

"The bicycle's gears are a complex mechanism that converts the rider's pedaling motion into forward movement. "

"In this toolbox, all the screwdrivers are interchangeables, meaning any one can be used in place of another. "

"A prefabricated home"