Types of Systematic Error
There are different types of systematic errors like environmental errors, instrument errors, observational errors and Operational errors.

Types of Errors in Measurement
There different types of errors in measurement like gross errors, systematic errors and random errors.

Types of Tolerance
Tolerance is a permissible limit and variation in dimensions or in physical parameters. There are different types of tolerance like unilateral tolerance, bilateral tolerance, and unilateral tolerance on negative or positive side.