Stowage, in a cool, ventilated location. Stowage, in a cool, ventilated loca- Stowage, in a cool, ventilated loca

tion.

tion.

Permitted.

Permitted.

Permitted.

bustible shelves, suitably secured against displacement by the motions of the boat. Where more than five reels but not more than 10 reels are present, they shall be kept in closed shelves or cabinets similar in construction to that of the walls of the booth. Where more than ten 5-pound reels are present, they are to be stored in an insulated film cabinet.

Ready mixed paints, varnish, or enamel possessing a flashpoint at or below 80° F. shall not be permitted as articles of ships' stores on board vessels subject to these regulations.

Compounds of nitrocellulose with or without plasticizer, pigment, solvent or thinners; known as "lacquer", possessing a flashpoint at or below 80° F., shall not be permitted for use on board vessels subject to these regulations.

These compounds, and compounds possessing similar characteristics, used in mixing, filling, thinning, or applying paints when possessing a flashpoint at or below 80° F., shall not be permitted as articles of ships' stores on board vessels subject to these regulations.

These compounds, when possessing a flashpoint at or below 150° F., shall not be permitted as articles of ships' stores on board passenger vessels subject to these regulations.

The use of liquefied or non-liquefied petroleum gas for any purpose on board vessels subject to these regulations shall be in accordance with regulations set forth under "Fuel for Heating, Cooking, Lighting."

2 Refrigerating systems are divided into classes, descriptive of the method employed for extracting heat as follows: Direct system is one in which the evaporator is in direct contact with the material or space refrigerated or is located in air circulating passages communicating with such spaces.

Indirect system is one in which a liquid, such as brine or water cooled by the refrigerant, is circulated to the material or space refrigerated or is used to cool air so circulated.

Unit system is one which has been assembled and tested prior to its installation and which is installed with refrigerant containing parts completely assembled.

Reserve supply of refrigerant may be stowed in any cool, isolated location (excepting a cargo hold, or passenger or crew spaces) on board the vessel. Racks shall be provided and the containers secured therein. Valve protection cap shall be in place on cylinders.