Research methods is a broad term. While methods of data collection and data analysis represent the core of research methods, you have to address a range of additional elements within the scope of your research.
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Drum brake linings consist of the friction material itself, usually shaped to match the radius of. the brake shoe onto which it is subsequently attached. The friction material is usually attached to the. supporting brake shoe either by bonding or by the use of rivets. Conventional friction materials consist mainly. of fibrous materials, bonding agents, anti-seize agents, metals and other fillers.