What is Wafer inspection?

When someone comes and checks on something to make sure it is up to a code or set of rules. For example, when an inspector inspects you're house, he checks to make sure it is built to all the most...

there are 8 vanilla wafers in one serving of nilla wafers.

Is it the law to have a smoke detector?

No unfortunately a home inspection usually only covers structural and electrical, you would need a plumbing inspection as well which covers spa's, sewer line, taps, baths and everything else plumbing...

around the late 1990"s when Nabisco started making them.They were using them in late 1967