accurate | | |
aim | | |
artificial | | |
award | | |
calculate | | |
cause | | |
development | | |
discover | | |
electric | | |
electronic | | |
engine | | |
estimate | | |
experiment | | |
factory | | |
false | | |
industry | | |
invent | | |
machine | | |
method | | |
modern | | |
motor | | |
natural | | |
new | | |
occur | | |
physical | | |
progress | | |
reason | | |
research | | |
reward | | |
take place | | |
true | | |
way | | |