 
<translate> Ọ bụghị onye ọ bụla yi uwe odo odo bụ onye ọrụ. Ịchọpụta na ihe ndị ahụ mebiri emebi abụghị nanị ụzọ e si elekọta ha. Ya mere, azịza ya bụ na ọ gaghị ekwe omume ikwu. <eng> Not every one who wears an orange vest is a worker. Checking wall tiles for damage is not the only way to maintain wall tiles. So, the answer is it is not possible to tell. 