Labour-saving

Not only kitchen utensils, but laundry fittings, and household furnishings generally; including patent labour-saving devices, and newly invented contrivances which were supposed to be of great aid to any housewife.

Source: wiktionary

[…] potato-growing can evidently be more profitably followed by producers on a large scale, having all the advantages of labour-saving appliances, than by market-gardeners, allotment-holders, and other spade-workers on comparatively small line.

Source: wiktionary

Thanks to the adoption by Amsterdam shipyards of standardized designs and labour-saving devices, the fluyt maximized carrying capacity and minimized cost.

Source: wiktionary