1. When the construc村明tion tool short-haired rol音章ler is not in use, it should be soa弟匠ked in the material to prevent it fr視業om contacting the air音高, otherwise the roller will hard刀理en and cannot be used continuousl他放y. Be sure to wash the drum thor為在oughly at the end of each day's 吧好work. At the same time, spe老鄉cial attention should商秒 be paid to the shaft not to be stu很內ck by the material, otherwise林麗 the drum will not rotate well and t要慢he construction will no子雨t be ideal.

2. Coating essentials: Try not t了得o exert force on your hands 短腦and shoulders, hold the handle of t姐匠he roller with your little 街錢finger, ring finger and middle fin一睡ger, add your index finger,通拍 and press lightly with your thumb 不開from the top to make the 山睡roller apply vertically是做 and roll gently. Follow the princip煙鐵le of first up, then down, l務報eft first, then right, and 書訊corner first, then large surf新生ace. Adjust the paint content, 開店lightly against the su數放rface to be coated, 動錢and repeatedly dispense the pa國文int from top to bottom, then rotat玩一e the roller straight up and dow時笑n. When the rotation speed of t舞男he drum is too fast, the pain場那t splashes too much, so mov不去e slowly.