The Lawrence Chamber of Commerce announces upcoming ribbon-cutting ceremonies:

• Salon Di Marco, 4:30 p.m. Dec. 3, 733 Mass.

• Lawrence Public Library’s New Business Center, 11:30 a.m. Dec. 10, 707 Vt.

• Lawrence Hearing Aid Center, 11:30 a.m. Dec. 16, 4106 W. Sixth St., Suite E.

• Gina Halsey Acupuncture & Chinese Herbology, 4:30 p.m. Dec. 17, 1112 W. Sixth St., Suite 106.

• Lawrence Home Show, 11:30 a.m. Jan. 29, 5200 Clinton Parkway, First Serve Tennis Club.