monthly
They are leaves stems roots and seeds I checked its in my book(:
monthly
A furnace should cycle on and off after every 4 hours.
never unless instructed to.
Approximately yes. That is what is often used as an example for the weight, just as a textbook it used for a kilogram
DailyDaily
Commercially speaking, in the UK they have to be checked annually, and signed.
brake linings should be checked at 15,000 and 25,000 miles and then every 5,000 miles after that.
Every time it is worn!
Rights of defendants and detainees
With each brake job.
Every time it is worn.
Every time the PFD is worn
every 4 weeks in the community
Once a week.
Yes because people die often from building collapses.
Every time the PFD is worn