Abstract: One or more microfiber sheets (1701,1802,2003,2004) are joined together at a spine (1702) to define a microfiber booklet (1700). The microfiber sheets can join together at the spine by stitching. The microfiber sheets can be manufactured from microfiber textile materials. The microfiber sheets can each be selectively movable about the spine like the pages of a book. The microfiber sheets can include alphanumeric indicia or indicators and graphical illustrations depicting objects to be cleaned by each microfiber sheet.

Abstract: A visual teaching aid (100) assists teaching a cleaning order for a predefined area (106). The visual teaching aid can include a legend portion (103) defining a plurality of portions (105) of the predefined area, while a predefined area portion (104) pictorially illustrates the plurality of portions. The legend portion can define a plurality of sequential numerical indicia (107) indicating a predefined order in which the plurality of portions should be cleaned. The predefined area portion can include a plurality of visual indicators (110) assigned to the plurality of portions on a one-to-one basis. The visual teaching aid can be included with one or more cleaning cloths (400,600) or microfiber booklets (801,808) in a cleaning package assembly (1300).

Abstract: A track hanger (100) includes a hook (103) and an extension (104), a base member (1160), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).

Abstract: A visual teaching aid (100) assists teaching a cleaning order for a predefined area (106). The visual teaching aid can include a legend portion (103) defining a plurality of portions (105) of the predefined area, while a predefined area portion (104) pictorially illustrates the plurality of portions. The legend portion can define a plurality of sequential numerical indicia (107) indicating a predefined order in which the plurality of portions should be cleaned. The predefined area portion can include a plurality of visual indicators (110) assigned to the plurality of portions on a one-to-one basis. The visual teaching aid can be included with one or more cleaning cloths (300,500) in a cleaning package assembly (700).

Abstract: A track hanger (100) includes a hook (103) and an extension (104), a base member (1160), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).

Abstract: A track hanger (100) includes a hook (103) and an extension (104), a base member (102), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).