三聚氰胺；蜜胺 melamine

    三点透视 three-point perspective

    上油漆 painting

    上釉 enamelling

    凡立水 varnish

    叉形顶尖 fork centre

    口罩 mask

    士力；虫漆 shellac

    士巴拿；扳手 spanner

    大芯夹板；宽条芯夹板 blockboard; solid corestock-laminated board

    大量制造 mass production

    子口刨；槽口刨；边刨 rebate plane

    小型平槽刨 miniature router plane

    小型线料弯曲器 small wire bender

    小型弯折机 mini bender

    小型电路断路器；跳菲 miniature circuit breaker (MCB)

    小齿轮 pinion

    山樟 San Cheong

    工件 workpiece

    工字梁 I beam

    工作面 working surface

    工作图；制作图 working drawing

    工作台 bench; working table

    工具 tool

    工具贮存室 tool storage

    工具槽 well

工具钢 tool steel

    工场 workshop

    工场安全 workshop safety

    工程字书写技巧 lettering

    工程系统 engineering system

    工程绘图 engineering drawing

    工业酒精；火酒 methylated spirit

    弓形手钻；手摇曲柄钻 brace

    弓形手钻嘴 brace bit

    弓锯 bow saw; hacksaw

    弓锯片 hacksaw blade

    弓锯床 hacksawing machine

    四画

    不平衡 imbalance

    不含铁金属；非铁金属 non-ferrous metal

    不贯穿孔；闭孔；盲孔 blind hole

    不贯穿鸠尾榫 lapped dovetail joint

    不对称 asymmetry

    不锈钢 stainless steel

    不稳定平衡 unstable equilibrium

    中心 centre

    中心线 centre line

    中心冲 centre punch

    中心钻 centre drill

    中心钻嘴 centre bit

    中央处理器 central processing unit (CPU)

    中性 neutral

    中性平衡；随遇平衡 neutral equilibrium

    中性轴 neutral axis

    中密度纤维板 medium density fibre board (MDF)

    中粗锉纹 second cut

    中碳钢 medium carbon steel

    中线 neutral wire

    互补金属氧化物半导体 complementary metal oxide semiconductors (CMOS)