14 research outputs found
A STUDY ON GROUP DYNAMICS OF THE FORMAL-INFORMAL RELATIONS IN A MAXIMUM SECURITY PRISON SOCIAL PSYCHOLOGY OF A COERCIVE ORGANIZATION
A Study on Group Dynamics of the Formal-Informal Relations in a Public Reform School (II) Social Psychology of a Coercive Organization II
A Study on Group Dynamics of the Formal-Informal Relations in A Public Reform School (1) Social Psychology of a Coercive Organization II
Utility of the knee lifting test for selecting the appropriate therapy for patients with low back pain
Designing and Building a Press for Beginner
A handy, simply-designed press was built using a geared motor and a jack. The maximum force is about 1 ton. The piston can be driven at a wide range of speeds, from 70 to 0.07 mm/min, which are selected by a rotary switch on the operation panel. Based on our own experiences, we report difficulties to be expected, mistakes to avoid, and important factors to be considered in designing and building a press, with a view to give helpful advice to beginners.<論説