Science is the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
8 freelancer chào giá trung bình $28/giờ cho công việc này
Hi there I hope you have been well.I saw your job post.I will do with [login to view URL] i am a chemical engineer as well as have a proper team. I love to know more as would like to chat about it. Thank you.