BACKGROUND Modular specialist feeds may consist of a number of individual liquid ingredients. Accurate feed preparation is dependent on competent liquid measurement. We investigate the accuracy of two measuring jugs (one retail mix-and-measure; and one produced to laboratory standards); and the influence of volume and technique on accuracy. MATERIALS AND METHODS 20 health professionals aged 1...

This paper illustrates, compares and contrasts a variety of different constructions that can be viewed as serving a role in concretisation – the process of developing concrete artefacts to support a learner in understanding abstract concepts. Our illustrative examples are based around the theme of introducing simple number-theoretic notions by representing operations on integers by actual or si...

Water samples from clay storage jugs ("zeers") located in homes and at public watering stands ("sebeels") at streets, mosques, and schools were examined. Coliforms, fecal coliforms, and fecal streptococci were detected in 100, 69, 88, and 91.56% of the samples, respectively. The general microbiology of the water and some factors affecting microbial load were studied. The predominant bacterial g...

The authors publish the materials related to three unknown before toreutic products produced in 11th century. Production technology, shapes and ornamentation of pitchers, as well their labeling, were improved on stage production elite jars from bronze. These found hillforts Taraz Kysmyshi during archaeological research accidental finding jar Talgar hillfort. Their ornithomorphic forms, brought ...

When we throw out our trash it is burned in an incinerator or buried in a landfill. If we burn our trash, it pollutes the air. If we bury it, it fills up our landfills and gets out of hand. But ifwe recycle things, it will not pollute anything and we can use it over again. By recycling we also save money. Our county has a recycling program. Every Friday, you have a chance to put out your trash ...