kadalasang paksa ng mga palabas sa telibisyon o dokumentaryo tungkol sa mga mga magagandang atraksyon ​

Material safety data sheetswhen working with any type of chemical the should be posted in a conspicuous place in the work areamsdsif a material does pose a health hazard teachers shouldobserve appropriate precautions when they or their students handle the materialmsds are available fromproduct manufacturesmsds sheets must beavailable in shop/science classes at all times