In spring 2006 the mechanism was replaced with an automatic winding system costing £3,000.
He replaced it in 2000 with a new system.
In 2003, a reform was instituted to replace this older system with an "international system."
His plan is, in essence, to dismantle the program, replacing it with a system that may be social but doesn't provide security.
This mechanical system was replaced with a digital system in 1990.
It was eventually replaced with a system based on the yen.
They have been replaced with a $30,000 system of 24 cameras throughout the school.
For local government purposes Scottish counties were replaced in 1975 with a system of regions and island council areas.
In June 2008 the clock was completely replaced with an up-to-date 24-hour system.
These have since been entirely replaced with a system of unitary authorities.