The modular concept of the bag means that if the bag strap is worn out, it can be easily mended by an identical bag strap replacement.
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Designs made up from several standardised components, which can have multiple functionality. Modular design concepts can extend useful life through allowing targeted mending and facilitating design for disassembly.
e.g. The modular concept of the bag means that if the bag strap is worn out, it can be easily mended by an identical bag strap replacement.