1.   Troop positions were marked with colored pins.

2.   In the map room itself we can read the huge maps covered with colored pins and long tracks of thin woolen thread, marking the progress of troops.

3.   They hung it in the Ministry of International Trade and Industry, and used colored pins to mark every new car plant and parts factory.

4.   You picture him wearing one of those propeller beanies and annoying generals by playing with the colored pins on the military maps.

5.   She pointed to wall maps with mazes of string and colored pins.