be+useful+to
71Useful life — Эксплуатационная долговечность; Срок полезного использования …
72Useful signature — Тиражная тетрадь, тетрадь приемлемого качества …
73useful beam — in radiology, that part of the primary radiation that is permitted to emerge from the tubehead assembly of an x ray machine, as limited by the tubehead aperture or port and accessory collimating devices …
74useful — Synonyms and related words: advantageous, advisable, agential, agentival, agentive, aidful, appropriate, assisting, auspicious, banausic, becoming, befitting, beneficial, benevolent, bon, bonny, brave, braw, bueno, capital, cogent, commendable,… …
75useful volume — Смотри полезный объем доменной печи …
76useful (working) volume — Смотри полезный объем доменной печи …
77useful — use·ful || juËsfÊŠl adj. functional, practical, applicable …
78useful as a bucket under a bull — totally useless …
79Useful Heat — Heat stored above room temperature (in a solar heating system) …
80Useful thermal output — The thermal energy made available in a combined heat and power system for use in any industrial or commercial process, heating or cooling application, or delivered to other end users, i.e., total thermal energy made available for processes and… …