NOT KNOWN DETAILS ABOUT OFFICE FLOOR CLEANING METHODS

big, significant - earlier mentioned common in size or range or quantity or magnitude or extent; "a significant metropolis"; "established out for the big town"; "a sizable sum"; "a big (or massive) barn"; "a big family"; "significant organizations"; "a big expenditure"; "a lot of newspapers"; "a large group of experts"; "huge areas of the world"The