Show All Items. Flux is used in soldering to remove oxides from the contacts of the parts to be soldered together. Fluxes can be made from hydrochloric acid, zinc chloride or rosin. Here is a simple and easy homemade rosin flux made from pine cones.
It will cost $2,400 to acquire a small ice cream cart. Cart sales are expected to be $1,600 a year for three years. After the three years, the cart is expected to be worthless as that is the expected remaining life of the cooling system.
1 1/2 blocks can be half the price while ten pounds of dry ice can range from $10 to $22. 2  For instance, Icefactoryonline.com in Landing, New Jersey, offers the following dry ice products and their prices: 3  1 block (approximately 50 lbs.) â $30.4  Â½ block â $16. The more dry ice is bought, the cheaper the price, especially when bought from a manufacturer. 2  Most people buy 10 to 15 lbs. of dry ice. 3  Shipping. 4  The cost of shipping dry ice can be affected by the cost of dry ice, packaging and transportation.