Confirm cleanup standards: sweeping, removal of little particles, and defense steps for floorings, walls

https://iad.portfolio.instructure.com/shared/310da6e317a4c6f873331c19e24d2f662e4d09761d347ae2

Validate cleanup standards: sweeping, removal of little debris, and defense steps for floorings, walls, and entrances during the transporting process.