Is one allowed to clean the table if there is some sort of letter, number, picture made out of items on the table?
ממצוא חפציך (Mimtzo Cheftzecha): Understanding the Conditions;
Replacing a Watch Band, Working with a Necklace and a Pendant or Clasp, Rubbing off Chalk Marks on the End of the Sleeve of...
opening a bag where it is stapled together;