Safety valve or sinkhole? vocational schooling in south africa∗Preliminary: Please do not cite As an alternative to traditional academic schooling, vocational schooling in South Africa may serve as a safety valve for students encountering difficulty in the transition from school to work....
The safety valve and climate policy...11).In discussions of a cap-and-trade system for implementation of Kyoto Protocol-type quantity targets, a "safety valve" was proposed where, by government sales of emissions permits at a fixed price, the marginal cost of the effort could be limited to a predetermined level....
Design of a high water-based fluid, high-pressure, and large-flow safety valve... Through analysing the influence of spool form, elastic element, and working principle on valve performance, a structural scheme of large-flow and high-pressure safety valve is put forward....
Design of an on-line check device for safety valveAs the main pressure relief component of the tanker, the spring type safety valve is indispensable for its periodic verification....
