使う 【つかう】
N5 society

Godan verb with 'u' ending

to use (a tool, method, etc.)

Also: to make use of; to put to use

浴室などの掃除で使われる塩素系の洗剤に酸性の洗剤などが混ざって有毒な塩素ガスが発生し、体調不良になる事故が相次いでいるとして、国民生活センターは、塩素系の洗剤は単独で使用し、使った後は水で十分に洗い流…

The National Consumer Affairs Center has reported a series of incidents in which people have fallen ill due to toxic chlorine gas being released when acidic cleaning agents are mixed with chlorine-based cleaning products used for cleaning bathrooms and other areas. The center advises that chlorine-based cleaning products should be used alone and that after use, they should be thoroughly rinsed with water.

増える 【ふえる】
N4 science

Ichidan verb

to increase

Also: to multiply

5%余りの増加で、株価の上昇傾向を受けて株式や投資信託などの残高が増えました。

With a slight increase of over 5 percent, the rising stock prices led to an increase in the balance of investments such as stocks and investment trusts.

働く 【はたらく】
N5 science

Godan verb with 'ku' ending

to work

Also: to labor; to labour

働き方を見直した企業の取り組みは3月22日午後3時53分

The initiatives of companies that have reviewed their work styles were announced on March 22nd at 3:53 PM.