Blood is a fluid connective tissue that performs many functions in the body. It carries oxygen and nutrients to the cells, hormones (chemical messengers) to the tissues, and waste products to organs that remove them from the body.
A wash bottle is a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks. Wash bottles using in laboratories. Wash bottles are sealed with a screw-top lid.
Purpose This unit standard is for people who are currently working in the resource. recovery industry. People credited with this unit standard are able to demonstrate knowledge of. a bottle washing machine; prepare to operate a bottle washing machine; demonstrate the operation of a bottle washing machine; wash glass. containers by machine for reuse; and maintain a bottle washing machine and. area.