Many studies have been conducted, mainly in a university environment, and researchers have identified both advantages and disadvantages of e-learning. Very little is known about the applicability and suitability of e-learning to vocational and skills-based training. The research presented in this paper evaluates an adaptive e-learning model (INNOVRET) which combines skills-based learning by mea...

The technical equipment developed and used in both installation and operation processes in refineries, oil and gas pipelines, and gas booster stations has always been expensive. Hence, managers at different organizational levels are keen to find methods to control and reduce these costs. Generally speaking, the operators in a gas booster station choose the operating devices without considering ...

The purpose of this Technology Installation Review is to provide an overview of the field testing of 18 pre-production prototype units of a “drop-in” type residential heat pump water heater installed in a wide variety of host home situations across the United States for more than one year. It provides descriptions of the construction, installation, control, instrumentation, and data acquisition...

A total of 306 machines and equipment were examined from five local government areas viz Port Harcourt, Okrika, Obio-Akpor, Ogu-Bolo and Eleme as a case study in Rivers State, Nigeria. This study revealed the following values for each type of available machines and equipment: pelleting machines, 85 (27.7%);water pump, 71 (23.2%); generator, 38 (12.4%); air pump, 27 (8.8%);milling machine, 31(10...

The pig farm sector has been developing rapidly over recent decades, leading to an increase in the production of slurry and associated environmental impacts. Breeding farms require maintenance adequate indoor thermal environments, resulting high energy demands that are frequently met by fossil fuels electricity. Farm heating systems storage constitute considerable sources polluting gases. There...

The 1980's have been declared the "International Water Supply and Sanitation Decade". The Papua New Guinea (PNG) Government has committed itself to spending K2.5 million between 1982-1985 on rural water supplies. The experience for such a programme in the Western Highlands is reviewed. Between 1975 and June 1981 there were 101 installation, 69 of which were inspected. Of these, 40.6% were worki...