Three measuring tools that are commonly used are a clock for measuring time (duration), a ruler for measuring extension (space), and a scale for measuring mass (substance).
(Three measuring tools; are commonly used; ) (Three measuring tools that are commonly used; are; a clock for measuring time (duration), a ruler for measuring extension (space), and a scale for measuring mass)
Three measuring tools Three measuring tools that are commonly used
are commonly used are
a clock for measuring time (duration), a ruler for measuring extension (space), and a scale for measuring mass