How to keep spinach away from leukoplakia:
First understand the incidence of spinach leukoplakia, spinach leukoplakia is generally from the leaves, the lesions are small round, mainly in the case of spinach growth is relatively weak.
Planting is very important. It is necessary to grasp the spinach planting density. It is necessary to leave enough growth gap for spinach growth, ensure the growth space of spinach, and reduce the growth of spinach growth bacteria. It is necessary to timely weed the spinach and topdress the fertilizer. Do not let the weeds affect the growth of the spinach. If the spinach has yellow leaves or rotten leaves, it is necessary to clean the field, otherwise it will infect other spinach and cause unnecessary losses.
It is necessary to spray anti-bacterial pesticides on spinach in time to promote better healthy growth of spinach.
Description about safety googles
1.Material for safety googles: Sports model, Plastic frame
2.Specification about safety googles: One-piece Lens, Light weight
3.Advantage about safety googles: Scratch resistant and impact resistant Polycarbonate Lenses
4. Black, Navy Blue and Yellow different color choice for frame
5. Special mercury layer protect against ultra violet and other hazard rays (optional)
6. Anti-Fog coated lenses for chemical & medical purposes (optional)
7. standard: meet with ANSI Z87.1 & CE EN166 Standard
8. color for safety googles :Optional lens color for different purposes
A) Grey: Outdoor. 100% UVA&UVB Protection
B) Clear: General purposes
C) Yellow: Night driving and pilot. Absorption of the blue light in the visible range providing contrast enhancement.
D) Red: Special UV mixed. Laser resistant rays
E) Orange: Soft sight. Filtrate electric wavelength and infrared ray
F) light mirror coating: provide protection against high impact and harmful UV rays for both indoor and outdoor applications without changing lens.
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