3.5 research period
on November 21, 2558 to January 8, 2559
, materials and equipment
, materials and equipment for underground storage
1. Plug
2. Plastic
3. plastic bags
, large plastic sheets, 4.
5. sieve
material and the soil.
1. plastic tray
2. plate
3. scoop powder
scoop soil 4.
5. number liquid. 10
6. The standard color plate
การแปล กรุณารอสักครู่..
