1. Kev ua haujlwm zoo ntawm kev rwb thaiv tsev, cua sov poob tsuas yog 25% ntawm cov yeeb nkab uas siv ob sab hauv qab dej, kev ua haujlwm ntev tuaj yeem txuag tau ntau lub zog, txo cov nqi zog.
2. Nws muaj zog tiv thaiv dej thiab tiv thaiv xeb, tsis tas yuav txuas rau lub yeeb nkab, tuaj yeem faus ncaj qha rau hauv av lossis dej, kev tsim kho yooj yim thiab ceev ceev, tus nqi tag nrho yog qis.
3. Cov yeeb nkab uas muab ob sab uas muab tso rau hauv qab dej kuj muaj kev tiv thaiv xeb zoo thiab kev cuam tshuam thaum kub tsawg, thiab tuaj yeem faus ncaj qha rau hauv av khov hauv av.
4. Lub neej ua haujlwm tau txog 30-50 xyoo. Kev teeb tsa thiab siv kom raug yuav ua rau tus nqi txij nkawm ntawm cov yeeb nkab vuam ob sab uas nyob hauv qab dej tsawg heev.
5. Lub tswb ceeb toom tuaj yeem teeb tsa kom pom qhov xau ntawm ob sab hauv qab arc vuam yeeb nkab, qhia qhov chaw ua txhaum thiab ceeb toom tau.