Definition of First amendment lease. A lease which contains a first amendment clause. Used for lessees who may opt to purchase equipment early. Typically- includes a penalty for non-purchase or requires the lessee to renew for a fixed number of months. Used to shorten term and get operating lease treatment. Also called a Stretch Lease in Canada.
Is air a mixture or a solution or a compound or an element? Air is a mixture of gases (and not a compound), about 78% being  nitrogen (an element) , about 21% oxygen (another element), and all  other gases present in much lesser amouâ¦nts. The remaining 1% is  made up of argon (0.93%), carbon dioxide (0.039% as of 2010) and  other trace gases (0.003%).
The ionizer and the air purifier can help remove particles that can lead to serious diseases and cancer. Both of these devices offer similar features and benefits. So, what is the difference between air purifiers and ionizers? Air Purifiers. The working principle of the air purifier is different from that of the ionizer. The air purifier allows air to pass through its filter system which will help trap pollutants like dust or smoke.