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italian centrifugal electric water pumps for agriculture use

Heat pump - Wikipedia

A heat pump is a device that transfers heat energy from a source of heat to a destination called a "heat sink". Heat pumps are designed to move thermal energy in the

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Two-wheel tractor - Wikipedia

The unique long-handled "Thai" type two-wheel tractor was developed in the late 1950s by M.R. Debriddhi Devakul (M.R. stands for Mom Rajawong, meaning that his great

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Who Made That? The Magazine’s 2013 …

The Question Mark. The most widely accepted origin story credits the eighth-century English monk Alcuin of York, an adviser to Charlemagne, who promoted the use of

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