Sadipnaak Kong 

Amerika rhamna Siboi mingthang soeih mat Dr. Richard eng sadipnaak lamtung ahamna ak laek soeih moe ak thaina natnaak- hamrhai (new cancer) ni pumkhui oeh ak awm hlue ce ve mueihna a huhnaak qoen hue.Vekkhi ve thlang boeih eng ni sim hamna tueng rhoe rhoe hue.

Phone- Mobile phone recharge nanik thlah oeh number calung a awmnaak ce nani kuttin eng koeh khueih u, ace mueihna nani khueih oehtoe a coeh ce Silver Nitro Oxide a awm a dawngoeh ni vuen ahamna hamrhai (cancer) na awm tha hue. 

Ak changkhi sadipnaak lam oehkoekhi toe:

* Phone ce nak cawngtung eng ngai.

* Si ce tuirhoei eng koeh aa.

* Khawnoeh 5 pm a ti khoen oeh oeknaak rhawm eng koeh aa.

* Ngoilam oeh tui ce khawyah ao, muelam tungna toe a bet ao.

* Ihnaak cuen ak laek soeih toe mthan 10 pm oehkoe eng ngoilam 4 am ni.

* Si na aok coeng amueih moe Buh na aih coeng amueih oeh koeng hawih toeih.

* Phone battery a boeih lo hlue oeh phone awi koek qoen, phone ak lut lo koem mtu, ace       huioeh phone ang thuen ce 1000 tlukna tat hue.

Ak Chang Ngaithuen kawihkhi toe:

* Coffee / tuibawihkhi plastic boer oeh koeh ao.

* Plastic oeh ikoe mueih a aok-aa awm koeh aa.

   Ace mueihna na aok-aa oehtoe na pumkhuina hamrhai 52 tluk phasak hlue hue.