labour hoarding(The retention of labour by an employer during an economic recession when the cost of firing and hiring would exceed current labour costs; likewise, the retention of highly specialized labour or of workers in whom important training investments have been made)
maintenance of acquired rights(The retention of accumulated benefit rights or other contractual privileges (e.g. rights to pension and paid leave) when changing jobs or upon termination of employment)
mastercraftsmen(Skilled worker who has become very highly competent in his trade or occupation, having gone beyond the ordinary level of skills and knowledge required of a craftsman)