4.2 Explain what is happening in the advert.  (1)

Questions

4.2 Explаin whаt is hаppening in the advert.  (1)

Density Mаint:Old Mаs 2   New Mаs ______   Old SID 40”   New SID 32”

Density Mаint. using the 15% rule:Originаl Mаs 15   New Mas 30   Original KvP 68   New KvP ____