If it rusts long and badly enough, the metal disappears and you're left with a pile of brownish-red powder-rust or iron oxide, which has the same composition as iron ore. Here's why. Iron atoms want to return to their normal state as iron ore, iron oxide, or rust.
Head Custodian Tasks. 1  Meet with management to analyze costs of various facility needs and establish maintenance priorities. 2  Train new employees to ensure safety, cleanliness and efficiency. 3  Oversee all tasks within the custodial department, including cleaning, services, supplies and equipment maintenance.
D. The custodian is given the responsibility of making sure the school is adequately heated for the school day. E. The custodian may have to receive early arriving shipments of supplies, etc. F. Part of the custodianâs job description is to set up and take down chairs and tables for school and church functions. G.