Q1

Galena crystals for use in electronics; silicon wafers; semi-conductors; single crystal silicon used for the purpose of electricity generation; silicon extending slices used for the purpose of electricity generation; quartz crystal used for the purpose of electricity generation; polysilicon wafers; carbon materials, namely, tubular carbon molecules used in extremely small scale electronic and mechanical applications; galvanic battery cells; solar batteries

Lamps; air filtering installations; heat accumulators; heating installations; solar heating collectors; solar water heaters; solar collectors; electric radiators; non-electric pocket warmers, namely, chemically-activated heating packets for warming hand, not for medical purposes

Non-metal pantiles; refractory wood fibers; portable non-metal buildings; non-metal hips for roofing; non-metal roofing; non-metal building materials, namely, fascia; non-metal concrete slabs; non-metal roofing, incorporating solar cells; slabs made of concrete used for the purpose of diverting lighting