- Màng quấn PE có tính chất hóa học của hydrocacbon không tác dụng trong môi trường có axit, thuốc tím, kiềm. - Không màu mùi, hòa tan kém trong nhiệt độ cao.

https://hanopro. com/mang-pe-cuon-pallet/dac-diem-cu a-mang-cuon-pe. html

1) u. s. real gdp is substantially higher today than it was 60 years ago. what does this tell us, and what does it not tell us, about the well-being of u. s. residents? what are the limitations of the gdp as a measure of economic well-being? given the limitations, why is gdp usually regarded as the best single measure of a society’s economic well-being? 2) what is an intermediate good? how does an intermediate good differ from a final good? explain why it is the case that the value of intermediate goods produced and sold during the year is not included directly as part of gdp, but the value of intermediate goods produced and not sold is included directly as part of gdp.

If the family’s net monthly income is 7,800 what percent of the income is spent on food clothing and housing?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?