Section ink whiteboard from nature
by 1. Ms. ฉัฐ suang, Nile Tilapia,
2. Miss Hong Kong, Siriraj Hospital, auxiliary
3. Miss Flora designation maintain good Ajarn
1. Khun type, and a glass of cool
2. Khun, Minister of Justice, Joshua, and Caleb
Excerptsa framework of ink whiteboard from nature created to produce ink whiteboard made from natural plants, use of chemicals, at least.which may have a significant impact on the white board, and if you use a pen and can be made more secure from chemicals expected to work so I thought about ink whiteboard from nature, and to improve the quality as well as the colors andWe are able to produce ink whiteboard from natural plants with a juice with alcohol, 3 types of plants is the ice-ball, red ink from the crate and vegetables, red, purple, and green leaves her grandmother
ratio of ink is 100 G plant:Alcohol 100 ml ink. In order to have a strong 2 steps to divide the plant, a 50 G 100 g. Step 1 the amount of each of these types of plants, and put small pieces of 50G beaker, then put it into alcohol consumption
100ml leave it 24 hours of white cloth and then filter with some plants, and then bring the rest of the 50 grams of each type of filter, put the substance of each of these types of leave, and then take another 24 hours and then filtered color mixing, and the ratio of 2G:the smell of Orange 10 ml orange peel mixed at the ratio of 5:10, the time in milliseconds L
from the trial's finger does not have ink from sediments deposited in dark red
can be used to write.and perfume of orange peel which meets the purpose of trial and can be created by using their own. which is beneficial to the school
the workgroup created
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