Litmus Paper
Litmus Paper
The main use of litmus is to test whether a wetted surface or solution is acidic, as blue litmus paper turns red and red litmus paper turns blue when alkaline is present.
Monochromatic Colour Scheme
A monochromatic color scheme is a colour palette that uses a single colour being variations of that hue.
The base color's saturation and brightness are adjusted to create different shades.
White and black are usually included as the two extremes of the color spectrum.
Needle Gun
Needle Gun
A hand-held gun comprising a series of needles which are operated by compressed air or electric.
Used in the preparation of steel prior to painting.
Opaque Finish
A paint that is described as opaque will give a solid colour and finish.
Blacks and whites are always opaque and any colour mixed with them will become more opaque.
An Opaque coating/finish if applied to glass will obliterate any light shining through.
OSB (Oriented strand board)
Five different qualities and standards.
- OSB/0 – No added formaldehyde
OSB- Oriented strand board - OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions
- OSB/2 – Load-bearing boards for use in dry conditions
- OSB/3 – Load-bearing boards for use in humid conditions
- OSB/4 – Heavy-duty load-bearing boards for use in humid condition
Osmosis
Osmosis.
Osmosis is associated where fibreglass and polyester resins have been uses.
See: Osmosis in Problem and Remedies.
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