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Just as horsepower and candlepower were intuitive units of measure for people living through the transition from horse to steam power [3] and from flame-based to electric lighting, so was the ton of refrigeration an intuitive unit of measure during a technological change, as the ice trade gradually included growing percentages of artificial ice ...
Innovations in the latter half of the 20th century allowed more ubiquitous air conditioner use. In 1945, Robert Sherman of Lynn, Massachusetts, invented a portable, in-window air conditioner that cooled, heated, humidified, dehumidified, and filtered the air. [37] The first inverter air conditioners were released in 1980–1981. [38] [39]
In February 1980, a power steering for the wide vehicles was added as an option, at the end of the same year a narrow 1.5 ton and a wide 3.5 ton followed. New diesel engines 4D30 (indirect injection, naturally aspirated, 90 PS [66 kW]) and 4D31 (direct injection naturally asparated or turbo charged, 115 PS [85 kW]) were added in November 1982.
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: "List of digital television stations in the Philippines" – news · newspapers · books · scholar ...
The economy of the Philippines is an emerging market, and considered as a newly industrialized country in the Asia-Pacific region. [31] In 2024, the Philippine economy is estimated to be at ₱26.55 trillion ($471.5 billion), making it the world's 32nd largest by nominal GDP and 13th largest in Asia according to the International Monetary Fund .
Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area.
The delivery of the carrier's fourth Boeing 747-400 in April 1996 signalled the start of an ambitious US$4 billion modernization and re-fleeting program that aimed to make PAL one of Asia's best airlines within three years. The centerpiece of the program was the acquisition of 36 state-of-the-art aircraft from Airbus and Boeing between 1996 and ...
The Special Report on Global Warming of 1.5 °C (SR15) was published by the Intergovernmental Panel on Climate Change (IPCC) on 8 October 2018. [1] The report, approved in Incheon, South Korea, includes over 6,000 scientific references, and was prepared by 91 authors from 40 countries. [1]