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able, seems to be used for practically all purposes, including a 
good deal of butter-churning in Wales. Most of the steam engines 
are used for threshing and also to a considerable extent for 
chaffing, milling and grinding. These latter operations, together 
with the preparation of cake and roots for feeding to stock, 
constitute the main function of oil, petrol, gas and electric power 
on farms. 
Other uses of motive power which are mentioned are spraying 
and washing fruit trees and hops, cider milling and pressing, 
milking, baling and trussing, cream separating and other dairy 
operations, sheep shearing, potato sorting and hop drying.