What are two techniques the developer should implement to achieve this?

A developer is asked to improve the maintainability of a page by reducing its code repetition.

What are two techniques the developer should implement to achieve this? Choose 2 answers.
A . Require and render templates with <isscript> tags
B. Use local template includes
C. Implement template decorators paired with replace tags
D. Embed partial files using ISML expressions

Answer: B,C