They have been replaced in production by the CM-32.

The 205 was only produced in two model years - 1963 and 1964 before being replaced in production by the Cessna 206.

Thirteen were built before it was replaced in production by the 16.5.

It has been replaced in production by the lengthened Bell 429.

This model replaced the original P95 in production.

That gun would eventually be replaced in production by the less expensive Remington 870 which is still produced to this day.

The Model 1851 was replaced in production by the Model 1853.

It was then replaced in production by M-412.

It was replaced in production with the Izh-412, a copy of M-412, starting 1967 and up to 1976.

In modern society, knowledge has replaced muscle and physical capital as the principal factor in production.