"cargadora mixta" meaning in Spanish

{
  "forms": [
    {
      "form": "cargadoras mixtas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "cargadora mixta f (plural cargadoras mixtas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Construction vehicles",
          "orig": "es:Construction vehicles",
          "parents": [
            "Construction",
            "Vehicles",
            "Architecture",
            "Engineering",
            "Machines",
            "Transport",
            "Applied sciences",
            "Art",
            "Technology",
            "All topics",
            "Sciences",
            "Culture",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of retroexcavadora"
      ],
      "id": "en-cargadora_mixta-es-noun-j0FWnm0l",
      "links": [
        [
          "retroexcavadora",
          "retroexcavadora#Spanish"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "retroexcavadora"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "cargadora mixta"
}

{
  "forms": [
    {
      "form": "cargadoras mixtas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "cargadora mixta f (plural cargadoras mixtas)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "es:Construction vehicles"
      ],
      "glosses": [
        "Synonym of retroexcavadora"
      ],
      "links": [
        [
          "retroexcavadora",
          "retroexcavadora#Spanish"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "retroexcavadora"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "cargadora mixta"
}