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A ruler.
Ruler. Micrometers. Caliper.
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.
By unit of length and distance and conversion ,we can say that a centimeter ruler used for measuring the length,width of the objects in centimeters ,etc.
12" or the length of your ruler.
A ruler.
Use a ruler, measuring tape or other device for measuring length.
Because it is difficult to wrap a metre ruler around someone's head.
A ruler, or a metre stick, or a tapemeasure, or a mileometer (on a car) etc...
ruler
A ruler
Ruler. Micrometers. Caliper.
ruler and tape measure
the measuring ruler that we use are the object which has length of 15 cm. 1 ruler =15 cm.
A measuring tape or a ruler
Length: ruler, metre stick, opisometre stick, trundle wheel, vernier callipers.Mass: balance.Time: clock, stopwatch.Volume: graduated cylinder.These are very common.
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.