Outstanding clock
laboratory scales
laboratory scales
old clock
old clock
Wrist Watch
Note book pen and  watch
Accurate Measurement
Chinese seamstress in a textile factory
Chinese seamstress in a textile factory
Distressed American national flag
United States Flag
One Arrow Beats Others to the Target Winner Success
Canada Flag
Neutral World
Apple with three darts
Traditional archery target
Shape and Color
Shape and Color
Profit
spending with brain
accurate American Flag
Absolutely symmetric, accurate emblem - biohazard
Precision Micrometer
Pipette aspirating liquid from bottle