Tsis zoo li kev ntseeg nrov, cib thiab mortar khw muag khoom tsis tas yuav tuag, tab sis lawv hloov pauv, thiab qhov cuam tshuam zoning yog qhov tseem ceeb. Hauv xyoo 2023, North American cov neeg muag khoom tsis txaus siab tau poob qis, thiab tsawg dua 50 lab square feet ntawm qhov chaw tshiab tau xa mus rau U.retail market. Yog li ntawd, nrhiav qhov chaw muag khoom zoo rau kev xauj tsev tau dhau los ua nyuaj, yog li yuam cov khw muag khoom hloov pauv lawv cov lag luam ua haujlwm hauv lawv qhov chaw uas twb muaj lawm.