Practical applicability means that the invention or utility model can be made or used and can produce effective results 实用性，是指该发明或者实用新型能够制造或者使用，并且能够产生积极效果。
2.
An effective and reasonable recall can produce positive results of restoring and enhancing consumers confidence in the product in question and rewarding the relevant party with continuing consumer support 有效而适当的回收工作可产生积极效果，一方面可挽回及加强消费者对产品的信心，另一方面消费者亦会对有关商号继续支持。
