| Label | Dataset | Type | Subdivision | Identifier | |
|---|---|---|---|---|---|
| 1. | Drilling machinery |
LC Classification (LCC) |
ClassNumber Range |
TJ1260-TJ1270 | |
| Technology--Mechanical engineering and machinery--Machine shops and machine shop practice--Machine tools and machining--Special tools--Perforating machinery--Drilling machinery ; Drilling machinery--Machine shops | |||||
| 2. | Well drilling |
LC Classification (LCC) |
ClassNumber Range |
TN871.2-TN871.33 | |
| Technology--Mining engineering. Metallurgy--Nonmetallic minerals--Other natural carbons and hydrocarbons--Petroleum. Petroleum engineering--Well drilling ; Well drilling--Petroleum engineering | |||||
| 3. | Drills |
LC Classification (LCC) |
ClassNumber Range |
TJ1263-TJ1265 | |
| Technology--Mechanical engineering and machinery--Machine shops and machine shop practice--Machine tools and machining--Special tools--Perforating machinery--Drilling machinery--Drills ; Drills--Machine shops | |||||
| 4. | Lifesaving at fires. Rescue work |
LC Classification (LCC) |
ClassNumber Range |
TH9402-TH9425 | |
| Technology--Building construction--Protection from fire. Fire prevention and extinction--Fire extinction--Lifesaving at fires. Rescue work ; Lifesaving at fires--Fire extinction ; Rescue work--Fire extinction ; Drills--Fire extinction ; Fire drills | |||||
| 5. | Rock drills |
LC Classification (LCC) |
ClassNumber Range |
TA745-TA747 | |
| Technology--Engineering (General). Civil engineering (General)--Earthwork--Excavations--Rock excavation--Rock drills ; Rock drills | |||||
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