Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Laboratory coats (labcoats) made of cotton or synthetic fibres are commonly
used in research laboratories and hospital departments where there is a risk
of minor radioactive contamination. The conditions of the work, such as
whether flammability needs to be considered, are a factor in the selection of
the fabric. Short jackets and smocks do not protect the lower body. Full length
coats need to be fully fastened to ensure that spills or splashes of radioactive
substances do not contaminate personal clothing underneath. Labcoats that
fasten along one shoulder and the side of the body provide better coverage.
Strip fasteners (such as ‘Velcro’), instead of buttons, allow the garment...
Nội dung trích xuất từ tài liệu:
SURVEYING EQUAIPMENT, MEASUREMENTS AND ERRORS
