Page 125 - Annual Training Class 4_7 classroom 20-21

Tyre tread depth

Complete the blanks

In simple terms, grooves containing tread wear __________

or grooves cut __________ as those containing the wear

indicators when new, are considered to be __________

grooves. Other grooves or sipes that aren't cut as deep as the

primary grooves are __________ grooves and aren't to be

considered when assessing tread depth.