question: Why do RLV discs have a blue or purple reflective color ?
answer: to make it recordable , as opposed to the silver mirror appearance of regular LDs
turker_answer: RLV discs have a blue or purple reflective color to make it recordable , as opposed to the silver mirror appearance of regular LDs .
rule-based: RLV discs have a blue or purple reflective color to make it recordable , as opposed to the silver mirror appearance of regular LDs .