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Goldsmiths work with metals. Our bodies react to metals, their dusts, salts and oxides. The metals that jewelers come in contact with include gold, copper, silver, zinc, iron, steel, platinum, palladium, rhodium, iridium, titanium, niobium, aluminum and ones that we should consider not having around any more at all in the workshop: nickel, lead, mercury, chromium, selenium, cadmium, arsenic, antimony.... (1999) Complete Story
In high volume production operations, many jump rings need to be closed one after another. For such fast paced operations, pliers simply won't do. Factory workers need efficient tools for closing jump rings. One such tool consists of a ring that has a slot head on it for gripping and steadying a jump ring (see photo). To make it, you will need a.... (2004) Complete Story
A Mineral may be defined as a homogenous substance produced by the processes of inorganic nature having a chemical composition and physical properties which are constant within narrow limits. Its structure is crystalline. It is composed of the same substance throughout. Except for impurities it has the same chemical formula for all specimens of the mineral. Its atoms usually have a definite and ordered crystal structure. What makes a mineral.... (1994) Complete Story
Saving some dollars on equipment can be really helpful to a shop's bottom line. Often tools and equipment from other industries prove useful, and are sometimes cheaper than regular tool suppliers. I think this behavior used to be called 'scrounging'.... (2001) Complete Story
Noise is so common that we don't tend to think of it in terms of exposure in the same way that we would, for example, with a chemical such as benzene. Yet the treatment of hearing damage is considered to be one of the growth industries as we.... (1999) Complete Story
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