Accuracy and standardisation [ edit ] Red EC classification symbols printed on a Class II measure, calibrated at 20°C. There are also other styles of tape measures that have incorporated lasers and ultrasonic technology to measure the distance of an object with fairly reliable accuracy. Tape measures come in both Imperial Units (inches and feet) and metric (centimeters and meters), featuring unit breakdowns for further accuracy. Specialized versions can include markings that cover truss lengths for roofing and stud intervals for housing.

Because of its accuracy and ease of use, the Lasso-o tape has been used for research and clinical purposes, including the recent MAFF and Department of Health National Diet and Nutrition Survey. For additional information about PLOS ONE ethical requirements for human subjects research, please refer to http://journals.plos.org/plosone/s/submission-guidelines#loc-human-subjects-research.

How To Measure Up For Block Paving

The actual tape measures used (are these medical grade? Were they the same for all measurers and how were the tape measures cared for, stored), and what time of the day were the measurements made (lymphedema may worsen later in the day after prolonged upright position) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.

Standards Association of Australia "Metric Handbook, Metric Conversion in Building and Construction" 1972)Reply: We have performed analysis of combination between 2 measurements with the best precision and reliability. The result was shown in table2. The combination did not improve precision and the reliability was the same. Everyone should own a quality tape measure; it’s one of the three all-around tools every homeowner should have. We would appreciate receiving your revised manuscript by Apr 25 2020 11:59PM. When you are ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Steel Tape is made of steel ribbon varying in width from 6mm to 16mm. It is available in lengths of 1, 2, 10, 30 and 50 meters. It cannot withstand rough usage and should therefore be used with great care.

There are multiple commas missing throughout the article, especially before ‘and’ and ‘but’, please correct Opie, Iona Archibald; Opie, Peter (1987). The lore and language of schoolchildren. Internet Archive. Oxford [Oxfordshire]; New York: Oxford University Press. ISBN 978-0-19-282059-4.

The humble tape measure is the world’s most commonly used measuring tool, accompanying millions of tradesmen and contractors to work every single day. The guides below for how to read a tape measure and how to measure on a tape measure assume Imperial (American) units for the explanations. Later, by the early 1870s, Justus Roe of Patchogue, New York added rivets attaching small brass washers to the tape to mark inches and feet. They were attached every inch in the first and last foot and every foot from one to the end of the last foot. A small brass tag, marked with a number indicating the number of feet to that point, was attached every five feet. This feature was never patented, but Justus Roe and Sons produced tape measures, "Roe Electric Reel Tape Measures", with this feature during the 1890s and early 1900s when they started etching or stamping increments and numbers on the tapes. (The "electric" part of the name was purely an affectation; there was nothing electrical about it.) MSB, mean square between groups; MSW, mean square within groups; S w, within-subject standard deviation (reproducibility); ICC, intraclass correlation coefficient; 95%C, 95% confidence interval for the intraclass correlation