Writing samples are a commonly required component when applying for jobs that heavily feature writing. That makes complete ...

In quality control and chemistry, analytical samples are usually mixtures. Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample is essential ...

Q: I frequently see ads that ask for writing samples, along with the résumé and cover letter. I have hesitated to respond to these job ads because I’m not sure what kinds of things I should submit.

Cement is a versatile and important material that is used for infrastructure, roads, and houses. Hence, it is only expected that cement will be a large-scale business — with global cement makers ...