TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: The Multi Crew Coordination ( MCC ) is a training in addition to the commercial pilot licence required to fly with a crew , in a more than one pilot aircraft .

SOLUTION: The Multi Crew Coordination or Multi Crew Co-operation ( MCC ) is an allowance , an additional training at the commercial pilot licence required in order to fly within a crew , that means in a multi-pilot aircraft with the aircrew consisting of at least two members .

PROBLEM: Christian metal , also known as ' white metal ' , is a form of heavy metal music which a Christian band makes to praise Jesus .

SOLUTION: Christian metal , also known as white metal , Jesus metal or heavenly metal , is a form of heavy metal music usually defined by its message using song lyrics as well as the dedication of the band members to Christianity .

PROBLEM: The institution does testing and certification of products ( by providing " standards " ) and ensuring the quality of products .

SOLUTION:
The Standards Institution of Israel ( SII ) is a state-owned corporation responsible for setting standards for products and services provided in Israel , testing and certification of products ( by providing standards " stamp of approval " ) and verifying that the certified products maintain their quality over time .