Commercially available types and sizes of materials and components.
Papers and boards:
• sheet, roll and ply • sold by size eg A3, thickness, weight and colour • standard components eg fasteners, seals and bindings • cartridge paper and corrugated card.
Timber based materials:
• planks, boards and standard moldings • sold by length, width, thickness and diameter • standard components eg woodscrews, hinges, KD fittings.
Metal based materials:
• sheet, rod, bar and tube • sold by length, width, thickness and diameter • standard components eg rivets, machine screws, nuts, and bolts.
Polymers:
• sheet, rod, powder, granules, foam and films • sold by length, width, gauge and diameter •
standard components eg screws, nuts and bolts, hinges.
Textile based materials:
• yarns and fabrics • sold by roll size, width, weight and ply • standard components eg zips, press studs, velcro.
Electrical and mechanical components:
• sold by quantity, volt and current rating • standard components eg E12 resistor series, dual in line IC packages (DIL), microcontrollers (PIC).