Fill in the Blanks CALIPERSOnline version Gap filling exercise for comprehension - Wood Technology CLIL module by Veronica Luzzi 1 measure device woodworking removed metalworking distance compass tips engineering opposite caliper fields read forestry mechanical ruler caliper A is a used to the between two sides of an object . A can be as simple as a with inward or outward - facing points . The of the caliper are adjusted to fit across the points to be measured , the caliper is then and the distance by measuring between the tips with a measuring tool , such as a . It is used in many such as , , , , science and medicin e