unspared

unspared

(ʌnˈspɑːd)
adj
1. not spared; not reserved
2. obsolete vital; indispensable
References in periodicals archive ?
Operating at temperature extremes (including cryogenic conditions) and handling difficult fluids, these pumps are designed for continuous, unspared duty in a variety of high-pressure services for the hydrocarbon, chemical and oil industries.
For exactly 10 years, they have used the same 22,000 gallons of lube oil in their five major unspared turbomachinery trains and 25-odd general purpose pumps, fans and blowers with circulating lube oil systems.