I
• Filler metals for brazing aluminium and aluminium alloys usually contain 4-13% silicon, with copper 0.3-4%), ( and the ) balance aluminium .
• Monel, an alloy of approximately 67% nickel, the balance ( or rest , or remainder ) being copper, is a well-known corrosion-resistant alloy.
• Seventy percent of the upper baffle was laid down by the pump method, and the balance ( or the rest ) was completed by hand.
II (не оговоренное на чертеже)
• ... unless ( otherwise ) specified ( or stated ).