By 1925, the frequency had increased to eight with the introduction of push-pull working by former LCDR R1 class 0-4-4T locomotives.
By 2010, however, priorities were shifting again as concerns about global warming and the introduction of green energy goals pushed the Ministry of the Environment to review its policies on exploiting geothermal energy potential in national parks.
And, even then, there were still Fine Gael deputies and senators who played a prominent role in resisting the introduction of divorce, in pushing for the foetus to become a full Irish citizen via the 1983 pro-life amendment campaign and in trying to stop the liberalising of laws on homosexuality and access to condoms.
But plans unveiled by the Department for Work and Pensions (DWP) to stagger the introduction of the scheme will push back the start date for contributions by employers and the government by up to four years.
It will do no one any good if the rapid introduction of risk-based charging pushes some fragile companies over the brink.
The health wearables provider has struggled these past few years under the weight of competition from bigger companies such as Apple, which has integrated health and fitness into the Apple Watch, but the introduction of Fitbit Ionic is pushing the company forward in the smartwatch industry, according to the company's co-founder and CEO James Park.
The Senate bill also slows the introduction of these Medicaid cuts, pushing the deepest wounds to the elderly into the future.
The report call comes days after the European parliament voted to push the introduction of the "nordic" model of criminalising prostitutes' clients, but not prostitutes.
The Confederation of German Employers' Associations says the introduction of a minimum wage would push up labor costs and lead to more unemployment.
Cook also mentioned that software development should be a core part of schools' curriculum, and the introduction of Swift Playgrounds is a push to get more people thinking about software development and computer science.
