Gantry safety operation and maintenance

Gantry safety operations and maintenance First, prohibit the use of overload.
Second, it is forbidden to tilt the goods.
Third, prohibit the use of gantry on the slope.
Fourth, in the process of lifting, it is forbidden to rotate the cargo to avoid the cargo hitting the bracket. .......

Melanin and black tendons in red sandalwood

The first thing to say is that the main component of wood is not just cellulose, but also a small amount of starch, protein, water and mineral ions. Melanin is actually a protein. It is a dark brown pigme.......

Zinc: an important role for livestock and poultry reproduction

Zinc is one of the trace elements necessary for the growth and breeding of livestock and poultry. Zinc has a great influence on the reproductive performance of animals. In addition, zinc also has certain immune functions. When animals are deficient in zinc, their im.......

Variegated leaf introduction

Miscanthus sinensis 'Variegatus' is a herbaceous plant of the family Poaceae.

Habits: Hi-light resistant to light shade, born in riverside wetlands, well-drained soil.

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Daily maintenance of Shoushan Stone Collection

The maintenance of Shoushan Stone is an important topic in the Shoushan Stone Collection. Although Shoushan Stone is naturally beautiful, in the natural state, the stone shape is not easy to change, and t.......