UnScramble this Word: h i w h c?

Questions

a can of ---------- is opened every 4 seconds?

a can of spam is opened every ---------- seconds?

a company in ---------- makes dinnerware out of wheat, so you can eat your plate?

a company in taiwan makes ---------- out of wheat, so you can eat your plate?

a company in taiwan makes dinnerware out of---------- , so you can eat your plate?