Plz

which word is the best meaning of the underlined word in this paragraph? the night watchman made his rounds to check that all the doors in the office building were locked and secure. everything was quiet and he was sure that there was nothing left to examine. so he settled in at the front desk in the lobby with a book. but then he heard a loud crash by the elevators. a. read b. catch c. test d. watch

the underlined word is examine

its repetition emphasizing that the chain is his own. sorry if i am wrong.

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.