When putting in a screw, make sure the screwdriver is vertical before turning it.
When putting in a screw, it is important that the screwdriver is vertical so that when you turn it the screw goes in straight.
「ドライバーを垂直にしてから締めて下さい」＝ When putting in a screw, make sure the screwdriver is vertical before turning it. / When putting in a screw, it is important that the screwdriver is vertical so that when you turn it the screw goes in straight.
ボキャブラリー
put in ＝ 入れる
screw ＝ ネジ
make sure ＝ 必ず、確実に
screwdriver ＝ ドライバー
vertical ＝ 垂直
before ＝ ～の前
turn (the screwdriver) ＝ 締める
important ＝ 重要、大事
when you turn it ＝ 締める時
goes in straight ＝ まっすぐに入る
イギリス 
