Design and development of a collapsible four valve spring compressor
This study aims todesign and developa Collapsible Four Valve Spring Compressorand assess its functionality in terms ofdesign, construction and operating performance. The study employed a descriptive - development design, weighted mean as the statistical tool, questionnaire and actual observation to gather data. Based on the findings of the assessment, the researcher concluded that the Collapsible Four Valve Spring Compressorishighly functional in terms of design, construction and operating performance.