| I knew that already | ya lo sabía | 
| a drum | un tambor | 
| a light bulb | una bombilla | 
| a mobile phone | un teléfono móvil | 
| a survey | una encuesta | 
| alone | sola/solas/solo/solos | 
| an invention | un invento | 
| disposable | desechable/desechables | 
| equipped | equipada/equipadas/equipado/equipados | 
| invented | inventada/inventado/inventados | 
| manufactured | fabricada/fabricado/fabricados | 
| only | sólo | 
| the discards | los desechos | 
| the equipment | el equipo | 
| the factory | la fábrica | 
| the soap | el jabón | 
| to appear | aparecer | 
| to equip | equipar | 
| to invent | inventar | 
| to join, enter, enroll | ingresar | 
| to manufacture | fabricar | 
| to realize (carry out) | realizar | 
| to realize (understand, comprehend) | darse cuenta | 
| to spin | girar | 
| to throw away | desechar | 
| to manufacture | fabricar | 
| to realize (carry out) | realizar | 
| to realize (understand, comprehend) | darse cuenta | 
| to spin | girar | 
| to throw away | desechar |