| surprisingly [sərpráɪzɪŋli] |
| deplete [dɪplíːt] |
| raw [rɔ́ː] |
| extraction [ɪkstrǽkʃən] |
| miner [máɪnər] |
| extract [ɪkstrǽkt] |
| overtake [òᴜvərtéɪk] |
| classical [klǽsɪkl] |
| contain [kəntéɪn] |
| copper [kɑ́pər] |
| valuable [vǽljəbl] |
| rare-earth [rèərə́ːrθ] |
| utilize [júːtəlàɪz] |
| solely [sóᴜlli] |
| pocket-sized [pɑ́kətsàɪzd] |
| vault [vɔ́ːlt] |
| unwanted [ʌ̀nwɑ́ntɪd] |
| reuse [rìːjúːs] |
| chemically [kémɪkəli] |
| conduct [kəndʌ́kt] |
| concentration [kɑ̀nsəntréɪʃən] |
| ore [ɔ́ːr] |
| cobalt [kóᴜbɔːlt] |
| lithium-ion battery [lɪ́θiəm áɪən bǽtəri] |
| the Democratic Republic of the Congo [ðə dèməkrǽtɪk ripʌ́blɪk əv ðə kɑ́ŋɡoᴜ] |
| link [lɪ́ŋk] |
| labor [léɪbər] |
| degradation [dèɡrədéɪʃən] |
| secure [sɪkjᴜ́ər] |
| region [ríːdʒən] |
| independence [ɪ̀ndɪpéndəns] |
| transport [trǽnspɔːrt] |
| length [léŋkθ] |
| reassess [rìːəsés] |
| retrieve [rɪtríːv] |