The main use of metallic arsenic is for strengthening alloys of copper and especially lead (for example, in car batteries). Arsenic is a common n-type dopant in semiconductor electronic devices, and the optoelectronic compound gallium arsenide is the most common semiconductor in use after doped silicon.rsenic and its compounds, especially the trioxide, are used in the production of pesticides, treated wood products, herbicides, and insecticides. These applications are declining, however. A few species of bacteria are able to use arsenic compounds as respiratory metabolites.
Massachusetts CDL Fees. The fee for the Massachusetts CDL general knowledge written test is $30.00. The fee for each Massachusetts CDL endorsement test you take at the same time as the general knowledge test is $10.00.If you take a Massachusetts CDL endorsement test after the Massachusetts CDL permit or license has been issued, the fee will be $30.00.Each additional endorsement test you take during this same transaction will be an additional $10.00. The fee for a road test is $35.00.assachusetts CDL Fees. The fee for the Massachusetts CDL general knowledge written test is $30.00. The fee for each Massachusetts CDL endorsement test you take at the same time as the general knowledge test is $10.00.
Renewing your Massachusetts CDL is a lot easier than obtaining it. It's good for 5 years and expires on your birthday. With a CDL, you are required to renew in person at any Registry of Motor Vehicles office. The renewal fee is $75 for 5 years. You cannot renew online. You will need to pass an eye exam, and a background check for motor vehicle violations or warrants nationwide, and pay for for your CDL and any endorsements.