"dark factory" meaning in English

{
  "etymology_text": "So called because robotic systems do not require a source of light to work.",
  "forms": [
    {
      "form": "dark factories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dark factory (plural dark factories)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with manual fragments",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Manufacturing",
          "orig": "en:Manufacturing",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A factory with no human labor during significant portions of its operation."
      ],
      "id": "en-dark_factory-en-noun-7lvOp1XJ",
      "links": [
        [
          "human",
          "human"
        ],
        [
          "labor",
          "labor"
        ]
      ],
      "related": [
        {
          "word": "dark kitchen"
        },
        {
          "tags": [
            "adjective"
          ],
          "word": "lights-out"
        }
      ]
    }
  ],
  "word": "dark factory"
}

{
  "etymology_text": "So called because robotic systems do not require a source of light to work.",
  "forms": [
    {
      "form": "dark factories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dark factory (plural dark factories)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "dark kitchen"
    },
    {
      "tags": [
        "adjective"
      ],
      "word": "lights-out"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English links with manual fragments",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Manufacturing"
      ],
      "glosses": [
        "A factory with no human labor during significant portions of its operation."
      ],
      "links": [
        [
          "human",
          "human"
        ],
        [
          "labor",
          "labor"
        ]
      ]
    }
  ],
  "word": "dark factory"
}