These materials are hard wearing and are usually shatter resistant and scratch proof as they are made to last a long time.Transparent plastic rulers allow an unobstructed view of the surface underneath for precise measuring and drawing.Stainless steel rulers or an aluminium ruler is very durable and are ideal for use in a workshop. They are prevalent is particular fields of study including geometry, printing, technical drawing, architecture, building and engineering.What are the different types of ruler?Rulers are made from durable materials like wood, plastic or metal. The edges of rulers are often bevelled to reduce measurement errors.Who uses rulers?The better question may be 'who doesn't?' Rulers are used everywhere, from schools and offices to within the home and in a wide range of occupations.
Some rulers have measurements on both sides. Rulers are used to measure the length of an object or its edge precisely and as a guide for drawing or scoring straight lines. The spacing forms a measuring scale of either metric or imperial measurements, which are usually in increments of centimetres (cm) and millimetres (mm) and inches (sometimes denoted as ") respectively. Rulers A ruler, also known as a rule, is a flat, straightedge measuring instrument with equally marked spacing etched or moulded along its length.
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