The union made modifications to the contract that the membership protested.

Root modifications are modifications of the roots that help them to survive in extreme conditions

Depends on the motorycle, number of cyclinders, idle speed, engine modifications, exhaust modifications, intake modifications etc... not much

The root word for "modifications" is "modify." "Modify" means to change or alter something, so "modifications" refers to the changes or alterations made to something.

You would need to look for a website of a local car modification shop to find out the available modifications for a Spyder car. If you have the technical skill to install the modifications yourself, you can find the specific parts/modifications separately online and have them shipped to you.