Australiaâs tallest trees can be found in the south-west of Western Australia in the Valley of the Giants. Giant tuart, karri, and rich red jarrah which live for up to 500 years can be found here.
Feeler gauge set. A feeler gauge is a tool used to measure gap widths. Feeler gauges are mostly used in engineering to measure the clearance between two parts. They consist of a number of small lengths of steel of different thicknesses with measurements marked on each piece.
spark plug image by Yali Shi from Fotolia.com. Setting the points of an 8N tractor is the process of adjusting the gap between two parts in the distributor. Understanding the function of a feeler gauge, and knowing how to use a feeler gauge to set a gap can be learned during the process.