Answer:
use of Wires , Clamps , and measuring tools
Step-by-step explanation:
To ensure parallel rails we can use : Wires , Clamps , and measuring tools as well
The use of wires are very effective and most stressful and they are used mostly when working with wooden rails , while you can use Clamps and other measuring tools for every kind of rails to ensure they are parallel.
We want to rewrite the following equation
With d as a function of the other terms. Let's start by subtracting n from both sides.
Now, let's divide both sides by 9.
And this is our final answer.
