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Contamination from
grease, especially in the case of new aluminium and galvanised steel
is best removed by use of a 25% solution of Resene
Roof Wash and Paint Cleaner. Heavier grease deposits and smoke stains
will entail the use of solvent cleaners such as Resene
Emulsifiable Solvent Cleaner. The use of detergent containing degreasers
ensures any grease or oil encountered is wrapped up in a bundle of detergent
and totally removed from the scene.
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