Vocabulary consisting only from characters you are able to read
主な
omona
chief, main, principal, importantmix
土日
doniči
weekend, Saturday and Sundaymix
守る
mamoru
(1)to protect/to guard/to defend/ (2)to keep (i.e. a promise)/to abide (by the rules)/to observe/to obey/to follow/(P) godan, jlpt3, leda1, verb, vtrans
主に
omoni
mainly, primarilymix
三日
mikka
three days, the third day of the monthjlpt5, toki
土木
doboku
public worksmix