sana mesh strainer ako para kaya kong salain kung sino ang mga totoong kaibigan ko at sino ang hindi.
i wish i'm like a mesh strainers so i can sift those who are my true friends and those who are not.
chemistry can help us to understand, monitor, protect and improve the environment around us. chemists are developing tools and techniques to make sure that we can see and measure air and water pollution. they have helped to build the evidence that shows how our climate has changed over time.