[KEEP IT KLEAN]

could anyone help!
ive been asked to remove black marks from vinal floor (only been down 2 months)  these arent shoe scuff marks they have been made from fridges and heavy tables being dragged across floor!
ive used rotary scrubber with black pads and normal heavy duty cleaner, cleans floor but will not remove marks any suggestions!!! please please please

[steve massey]

I've done builders cleans in past and have used thiners to get the odd mark off