加火 meaning in English

flame enrichment

Airtight write the medicine water after water mix blend , write on the blank sheet of paper to can not see clearly , add fire to roast as soon as , show out
密写药水经水搅拌后，写字在白纸上看不出来，一经加火烤，显出来
Do not refill kerosine stove when it is in use . after refilling the stove , remember to clean up the spillage of kerosine before lighting it
若使用火水炉，切勿在火水炉点著时加添火水另外，加火水后，切记抹净炉具旁的火水，才可燃点。
Kerosine , newspaper , compressed fuel can , etc . do not refill kerosine stove when it is in use . after refilling the stove , remember to clean up the spillage of kerosine before lighting it
若使用火水炉，切勿在火水炉点著时加添火水；另外，加火水后，切记抹净炉具旁的火水，才可燃点。