unlax, UN, Unguaranteed is the new guaranteed., Unfavorable condition for car rolling, unbonded elastic wire resistance type, undetermined large time-lag objects, Unmanned Arctic Research Submersibles, Un-implementation of urban planning, uncivilized phenomenon on the Intemet, untuned radio-frequency transformer, unconstrained magnetization condition, unfavourable prognosis of erupted pox 返回 unwasted